CN101082899A - Electronic calculator - Google Patents
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- CN101082899A CN101082899A CN 200710129530 CN200710129530A CN101082899A CN 101082899 A CN101082899 A CN 101082899A CN 200710129530 CN200710129530 CN 200710129530 CN 200710129530 A CN200710129530 A CN 200710129530A CN 101082899 A CN101082899 A CN 101082899A
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Abstract
The invention discloses an electronic calculator, which comprises the following parts: inputting device, calculating device, displaying device, wherein the inputting device connects the displaying device and calculating device; the calculating device receives the input information from the inputting device, which processes the input information to display the relative information on the displaying device; the inputting device contains numeric key and functional key; a group of locating key is set on the electronic calculator to locate the numeric key of the input number rapidly, which can input and modify number without pressing '0' key. The invention is accurate to input digit of data, which is convenient and fast to input data.
Description
Technical field
The present invention relates to a kind of electronic calculator, in particular, relate to a kind of electronic calculator that especially is fit to the computing bigger numerical.
Background technology
The counter that current people use; when importing data by hand; especially during the big whole data of the numerical value aspect financial; be easy to Lou defeated or many defeated " 0 "; mistake appears; such as " 10,000,000 "; the back of " 1 " has seven " 0 "; to import a lot of " 0 " when not only importing, increase number of operations, and will reaffirm also usually whether the number of " 0 " is accurate after having imported " 0 "; have or not how defeated or few defeated; troublesome poeration is also easily made mistakes, and data can not be located input fast, and when incorrect data input; return and be scavenged into wrong numerical digit step by step with backspace key re-enters again; or re-enter whole data again after deleting whole data with delete key, and pretty troublesome when revising the data after the input, can not locate or move to wrong numerical digit fast and carry out the modification of data.
(publication number is Chinese patent ZL200420034496.6: CN2711804Y) disclose a kind of counter, it comprises liquid crystal LCD display, numeral and function input key board, microprocessor chip, also include the most significant digit indication field on the liquid crystal LCD display, there is a numerical digit to judge button on the key board, also has a most significant digit information buffer and a code translator on the microprocessor chip; When the user presses numerical digit judgement button, microprocessor chip will be according to internal processes, calculate most significant digit, and export corresponding most significant digit information signal, arithmetical unit is according to the most significant digit information via most significant digit information buffer buffering of internal processes output, export to code translator, last code translator is exported corresponding most significant digit information signal, lights or adds corresponding most significant digit indicated number field on the brilliant LCD display of black liquor.This computing machine carries out computing to numeral after input digit is finished, obtain most significant digit information and show, so that people's reading checks whether numerical value is inputed by mistake.; this counter is when the numerical value that the input data are especially greatly put in order; need repeat a lot of of inputs " 0 "; the possibility that has increased number of operations and made mistakes; data can not be located input fast; and when incorrect data input; return and be scavenged into wrong numerical digit step by step with backspace key re-enters again; or re-enter whole data again after deleting whole data with delete key; pretty troublesome when revising the data after importing, can not locate or move to wrong numerical digit fast and carry out the modification of data.
Summary of the invention
For overcoming above-mentioned defective, technical matters to be solved by this invention provides a kind of counter that can locate input data, quick location modification data fast, need not operation " 0 ".
The objective of the invention is to be achieved through the following technical solutions:
A kind of electronic calculator, comprise: input media, arithmetic unit and display device, described input media links to each other with arithmetic unit with display device, arithmetic unit receives the input information of input media, this input information is handled, relevant information is shown on the display device, and described input media comprises: numerical key and function key; It is characterized in that: also be provided with one group of positioning key locating fast the numerical digit of input digit on the described electronic calculator.
Described positioning key is one group of metric positioning key, wherein, and the corresponding digit value of each positioning key.
Described positioning key is selected from: " ten " key, " hundred " key, " thousand " key, " ten thousand " key, " 100,000 " key, " 1,000,000 " key, " necessarily " key, " hundred million " key, " 1,000,000,000 " key; Or " 10 " key, " 100 " key, " K " key, " 10K " key, " 100K " key, " M " key, " 10M " key, " B " key, " 10B " key; Or in " 0x1 " key, " 0x2 " key, " 0x3 " key, " 0x4 " key, " 0x5 " key, " 0x6 " key, " 0x7 " key, " 0x8 " key, " 0x9 " key one group.Wherein, the corresponding digit value of each positioning key, as " thousand " key, " K " key, " 0x3 " key, corresponding digit value is " 1,000 ", " ten thousand " key, " 10K " key, " 0x4 " key, corresponding digit value is " 10,000 ", all the other are by that analogy.Being provided with of described positioning key can specifically be adjusted according to actual conditions, can set up or reduce the key of high order digit; Also can be arranged to as numerical digits such as " ten thousand " key, " hundred million " key, " million " keys the compartment of terrain.
Be provided with in the described arithmetic unit and indicated the witness marker that whether uses positioning key, described positioning key, numerical key, function key or the key that moves to left, when the key that moves to right is pressed, arithmetic unit is realized following function:
Positioning key:
1) if witness marker is vacation, and current operand is non-vanishing, and the digit value of then current operand and current positioning key is carried out multiplying, witness marker is set for true, is provided with and inserts one on a right side that is the current predefined numerical digit of pressing of positioning key;
2) if witness marker is false, and current operand equals zero, and witness marker then is set for true, is provided with to insert the position and be the predefined numerical digit of the current positioning key of pressing;
3) if witness marker is true, then resetting and inserting the position is the predefined numerical digit of the current positioning key of pressing;
Numerical key:
1) if witness marker is false, then to the afterbody supplemental data of current operand;
2) if witness marker is true, then current operand is carried out input operation inserting the position, upgrade current operand, after input operation is finished, insert one of gt to wait for the input of next operand;
Function key:
To computings such as service data add/subtracts/takes advantage of/remove, and witness marker is set for false, the input default that makes next service data is that afterbody appends mode;
Key moves to left:
1) be false as if witness marker, then set bit flag, and definition insertion position is the lowest order of current operand for true;
2) if witness marker is true, and current insertion position then defines and inserts one of lt less than current operand most significant digit;
3) if witness marker be true, and current insertions position equals current operand most significant digit, and then the definition insertion is the lowest order of current operand;
Key moves to right:
1) be false as if witness marker, then set bit flag, and definition insertion position is the most significant digit of current operand for true;
2) if witness marker is true, and current insertion position then defines and inserts one of gt greater than current operand lowest order;
3) if witness marker be true, and current insertions position equals current operand lowest order, and then the definition insertion is the most significant digit of current operand.
Described positioning key comprises the insertion switch key, is provided with in the described arithmetic unit to have indicated whether use the insertion sign that inserts switch key, when described insertion switch key was pressed, arithmetic unit was realized following function:
Detect the insertion sign, true if insertion is masked as, insertion then is set is masked as vacation; If insert and be masked as vacation, insertion then is set is masked as true;
Be provided with in the described arithmetic unit and indicated the witness marker that whether uses positioning key, described positioning key, numerical key, function key or the key that moves to left, when the key that moves to right is pressed, arithmetic unit is realized following function:
Positioning key:
1) if witness marker is masked as vacation for false, insertion, and current operand is non-vanishing, the digit value of then current operand and current positioning key is carried out multiplying, and witness marker is set for true, is provided with and inserts one on a right side that is the current predefined numerical digit of pressing of positioning key;
2) if witness marker for false, insert and be masked as very, and current operand is non-vanishing, then sets bit flag for true, and is provided with and inserts the position and be the predefined numerical digit of the current positioning key of pressing;
3) if witness marker is false, and current operand equals zero, and then sets bit flag and definition and inserts the position and be the predefined numerical digit of the current positioning key of pressing;
4) if witness marker is true, then redefining and inserting the position is the predefined numerical digit of the current positioning key of pressing;
Numerical key:
1) if witness marker is false, then to the afterbody supplemental data of current operand;
2) if witness marker is true, then current operand is carried out input operation inserting the position, upgrade current operand, after input operation is finished, insert one of gt to wait for the input of next operand;
Function key:
To computings such as service data add/subtracts/takes advantage of/remove, and witness marker is set for false, the input default that makes next service data is that afterbody appends mode;
Key moves to left:
1) be false as if witness marker, then set bit flag, and definition insertion position is the lowest order of current operand for true;
2) if witness marker is true, and current insertion position then defines and inserts one of lt less than current operand most significant digit;
3) if witness marker be true, and current insertions position equals current operand most significant digit, and then the definition insertion is the lowest order of current operand;
Key moves to right:
1) be false as if witness marker, then set bit flag, and definition insertion position is the most significant digit of current operand for true;
2) if witness marker is true, and current insertion position then defines and inserts one of gt greater than current operand lowest order;
3) if witness marker be true, and current insertions position equals current operand lowest order, and then the definition insertion is the most significant digit of current operand.
Such design, make the user when input one bigger data, find certain numeric error wherein, can press the insertion switch key earlier, navigate to the numerical digit that needs change fast by positioning key again, carry out the modification of the numeral on the specific digits, also can move to that wrong one-bit digital and make amendment with the move to left key or the key that moves to right.
Described display device is a LCD display, and described LCD display is provided with one group of data presentation position and one group of numerical digit zone bit, and the sign of described numerical digit zone bit is corresponding with the numerical digit of data presentation bit representation;
Wherein, after described positioning key was pressed or numerical key presses, arithmetic unit was also realized following function:
1) if witness marker is false, the arithmetic unit computing draws the most significant digit of the current data of having imported, and corresponding numerical digit zone bit shows on the control display device;
2) if witness marker is true, and current operand is non-vanishing, and the arithmetic unit computing draws the most significant digit of the current data of having imported, and corresponding numerical digit zone bit shows on the control display device;
3) if witness marker is true, and current operand equals zero, and arithmetic unit obtains the numerical digit by the positioning key definition, and corresponding numerical digit zone bit shows on the control display device.
Wherein, described figure place zone bit shows the most significant digit of present input data, or shows the numerical digit that the positioning key of input is located, or shows and insert the numerical digit that the position is located.After the Data Labels position is set makes that not only input is finished, people are more convenient when reading, and in input process, when positioning key is pressed, promptly show the numerical digit of being located of corresponding positioning key input, guarantee the input data that people can be correct.
Described numerical digit zone bit is followed successively by from right to left with respect to the data presentation position: " ten ", " hundred ", " thousand ", " ten thousand ", " 100,000 ", " 1,000,000 ", " necessarily ", " hundred million ", " 1,000,000,000 ", " 10,000,000,000 ", " hundred billion " " trillion ", " 10,000,000,000,000 "; Or be " 10 ", " 100 ", " K ", " 10K ", " 100K ", " M ", " 10M ", " B ", " 10B ", " 100B ", " KB ", " 10KB ", " 100KB "; Or be " 0x1 ", " 0x2 ", " 0x3 ", " 0x4 ", " 0x5 ", " 0x6 ", " 0x7 ", " 0x8 ", " 0x9 ", " 0x10 ", " 0x11 ", " 0x12 ", " 0x13 ".Being provided with of described numerical digit zone bit can specifically be adjusted according to actual conditions.
Be respectively equipped with one group of input point corresponding to different numerical digits on the described display device, input point is represented in the current data insertion position by the insertion numeral of positioning key, the move to left key or the key control that moves to right.Demonstration by input point (as highlighted or flash), when the input position of the most significant digit of importing data and current input is not same position, flashing of input point by corresponding positions, the current insertion bit position of prompting user has further guaranteed correctly and easily to import data.
When positioning key was pressed, the numerical digit zone bit of current insertion position correspondence flashed, to point out the numerical digit at current place, insertion position.
When described data most significant digit statistics have shown, the not numerical digit of input digit zero padding demonstration on display device in the data.
The present invention is owing to be provided with the positioning key that can locate fast the numerical digit of input digit on electronic calculator, make when using the electronic calculator input digit, carry out the location of numerical digit by positioning key, directly navigate to needed numerical digit fast, carry out input, the modification of numeral, corresponding a plurality of " 0 " that on behalf of the data numerical digit, corresponding positioning key promptly simultaneously to have, do not need to press " 0 " key, the numeral of input promptly jumps on the corresponding digit position automatically, thereby has omitted operating process.The numerical digit absolutely accurate of such electronic calculator input data is errorless, has reached the input quick and precisely and the modification of data, and easy to use, has accelerated arithmetic speed.
Description of drawings
Fig. 1 is the operating board structure synoptic diagram of the embodiment of the invention;
Fig. 2 is the LCD control circuit schematic diagram of the embodiment of the invention;
Fig. 3 is the single chip machine controlling circuit schematic diagram of the embodiment of the invention;
Fig. 4 is the input media control circuit schematic diagram of the embodiment of the invention;
Fig. 5 is that the software of the embodiment of the invention is realized main flow chart.
Wherein: 1, panel, 11, numerical key (" 0 ~ 9 " key), 12, positioning key (" ten ~ 1,000,000,000 " key), 13, function key (" * " " ÷ " " M1 " key etc.), 14, insert switch key (" INSERT " key), 15, the key that moves to left (" LEFT＜"), 16, the key (" RIGHT〉") that moves to right, 2, LCD display, 21, the data presentation position, 22, the numerical digit zone bit.
Embodiment
The invention will be further described below in conjunction with accompanying drawing and preferred embodiment.
A kind of electronic calculator, comprise arithmetic unit, input media and display device, described input media links to each other with arithmetic unit with display device, arithmetic unit obtains the input information of input media, this input information is handled, wherein this processing comprises the input storage of numerical value, carries out addition subtraction multiplication and division arithmetic or other mathematical operation etc.Relevant information is shown on the display device, and this relevant information comprises input data, the operational symbol of carrying out the science computing, process data, intermediate operations data and other information that need show.Arithmetic unit can be selected single-chip microcomputer for use.Wherein said input media comprises numerical key 11, positioning key 12 and the function key 13 that is arranged on the panel 1, arrange set of number key 11 (0～9) in the middle and lower part of panel 1, arrange one group of positioning key 12 of representing different digit informations in the middle and upper part of panel 1, numerical digit is meant a position that numeral is shared in the data.Described positioning key 12 comprises " ten " key, " hundred " key, " thousand " key, " ten thousand " key, " 100,000 " key, " 1,000,000 " key, " necessarily " key, " hundred million " key, " 1,000,000,000 " key etc., or " 10 " key, " 100 " key, " K " key, " 10K " key, " 100K " key, " M " key, " 10M " key, " B " key, " 10B " key etc., or " 0x1 " key, " 0x2 " key, " 0x3 " key, " 0x4 " key, " 0x5 " key, " 0x6 " key, " 0x7 " key, " 0x8 " key, " 0x9 " key etc.Wherein, these keys such as " ten " key, " hundred " key, " thousand " key, " ten thousand " key, " 100,000 " key, " 1,000,000 " key, " necessarily " key, " hundred million " key, " 1,000,000,000 " key are particularly useful for the situation of using Chinese to count; " 10 " key, " 100 " key, " K " key, " 10K " key, " 100K " key, " M " key, " 10M " key, " B " key, " 10B " key etc., perhaps " 0x1 " key, " 0x2 " key, " 0x3 " key, " 0x4 " key, " 0x5 " key, " 0x6 " key, " 0x7 " key, " 0x8 " key, " 0x9 " key etc. are particularly useful for using the situation of Western-style counting; Can adapt to different reading customs by the expression way of change positioning key.The corresponding digit value of each positioning key, as " thousand " key, " K " key, " 0x3 " key, corresponding digit value is " 1,000 ", " ten thousand " key, " 10K " key, " 0x4 " key, corresponding digit value is " 10,000 ", all the other are by that analogy.Being provided with of described positioning key 12 can specifically be adjusted according to actual conditions, can set up or reduce the key of high order digit; Also can be arranged to as numerical digits such as " ten thousand " key, " hundred million " key, " million " keys the compartment of terrain.Described display device comprises numerical digit sign " ten ", " hundred ", " thousand ", " ten thousand ", " 100,000 ", " 1,000,000 ", " necessarily ", " hundred million ", " 1,000,000,000 ", " 10,000,000,000 ", " hundred billion ", " trillion ", " 10,000,000,000,000 " etc., or " 10 ", " 100 ", " K ", " 10K ", " 100K ", " M ", " 10M ", " B ", " 10B ", " 100B ", " KB ", " 10KB ", " 100KB " etc., or " 0x1 ", " 0x2 ", " 0x3 ", " 0x4 ", " 0x5 ", " 0x6 ", " 0x7 ", " 0x8 ", " 0x9 ", " 0x10 ", " 0x11 ", " 0x12 ", " 0x13 ".Equally, during such design can better adapt to, the different counting custom in west, the expression way by change numerical digit sign adapts to different reading customs.Being provided with of the number of positioning key 12 sum digit zone bits 22 can design according to actual conditions, increase that can be suitable or minimizing high order digit.
The numerical digit of the sign of the numerical digit zone bit 22 that is provided with on the described LCD display 2 and 21 expressions of data presentation position is corresponding: the numerical digit that the integral part of the sign of numerical digit zone bit 22 and data presentation position 21 is represented can be one to one, can read bigger numerical value very accurately like this; The numerical digit that the sign of numerical digit zone bit 22 also can be represented with the fraction part of data presentation position 21 is one to one, is applicable to like this to read the more numerical value of some decimal digits; Also can be as the case may be, every two or every three interdigits across correspondence, simplifying interface adapts to different use occasions again.
When specifically describing each button distribution situation and Dang Ge button below and being pressed, when promptly this moment, arithmetic unit received corresponding key information, the function that arithmetic unit is realized respectively.
As shown in Figure 1, be guidance panel synoptic diagram of the present invention, arrange function key 13 on the left side of panel 1: start/removing zero setting key (" ON/C " key), current clear key (" CE " key); First operation result keep in the temporary key (" M2 " key) of key (" M1 " key), second operation result, temporary clear key (" MC " key), summation key (" GT " key), backspace key (" DELETE/〉" key); Arrange function key 13 on the right of panel 1: equal key ("=" key), add key ("+" key), subtraction key ("-" key), multiplication key (" * " key), division key (" ÷ " key), MU key, percentage key (" % " key), insert switch key 14 (" INSERT "), decimal place operating key (" F420 " key), the key 15 that moves to left (" LEFT＜"), the key 16 that moves to right (" RIGHT〉"), sqrt key (" √ " key), positive and negative shift key (" ± " key); LCD display 2 is arranged in top at panel 1, wherein LCD display 2 is divided into two row up and down, following behavior data presentation position 21 (present embodiment is 14), be used to show the data that input or output, last behavior numerical digit zone bit 22 " ten ", " hundred ", " thousand ", " ten thousand ", " 100,000 ", " 1,000,000 ", " necessarily ", " hundred million ", " 1,000,000,000 ", " 10,000,000,000 ", " hundred billion ", " trillion ", " 10,000,000,000,000 " are used to indicate the numerical digit of video data.
As Fig. 2, Fig. 3, shown in Figure 4, be respectively the control circuit schematic diagram of LCD display of the present invention, single-chip microcomputer (model of single-chip microcomputer can be selected IC-EPS6500 for use) and input button, LCD display, single-chip microcomputer and input button are connected by printed-wiring board (PWB).
Fig. 5 shows the software main flow chart of the specific implementation of electronic calculator:
A: after the start, electronic calculator is carried out system and shows initialization, whether after initialization is finished, detecting currently has button to press.
B: electronic calculator detects current button, when having button to press, and the corresponding function of corresponding each button of difference:
Start/removing zero setting key (" ON/C " key): remove line of input data, witness marker (witness marker promptly being set), insert computing information such as sign (promptly be provided with to insert and be masked as vacation), numerical digit zone bit 22 and error flag for false.
Current clear key (" CE " key): remove current service data or error flag;
Numerical key 11:
1) if witness marker is false, then to the afterbody supplemental data of current operand and show (mode that is common general-purpose calculator), corresponding to the numerical digit zone bit 22 highlighted demonstrations of the high order digit of the data of current input;
2) if witness marker is true, then current operand is carried out input operation and demonstration in the insertion position, if current operand is zero, just directly upgrade zero numeral for the current numerical key of pressing 11 representatives, if current operand is non-vanishing, then also current operand is replaced with the numeral of numerical key 11 representatives of pressing, upgrade, after input operation is finished, insert one of gt to wait for the input of next service data, it is current in who input that an input point of inserting the place, position is flashed prompting, simultaneously, and corresponding to the high order digit of the data of current input and insert the numerical digit zone bit 22 highlighted demonstrations of figure place position;
Function key 13:
To computings such as operand adds/subtracts/takes advantage of/remove and demonstration, and removing witness marker, to make the input default of next operand be that afterbody appends mode (general-purpose calculator mode), corresponding to the numerical digit zone bit 22 highlighted demonstrations of the high order digit of current data presented;
Positioning key 12:
1) if witness marker is vacation, and current operand is non-vanishing, and the digit value of then current operand and current positioning key 12 is carried out multiplying, witness marker is set for true, is provided with and inserts one on a right side that is the current positioning key of pressing 12 predefined numerical digits;
2) if witness marker is false, and current operand equals zero, witness marker then is set for true, being provided with and inserting the position is the current positioning key of pressing 12 predefined numerical digits, it is current in who input that the input point at place, insertion position is flashed prompting, simultaneously, corresponding to current numerical digit zone bit 22 highlighted demonstrations of inserting the position;
3) if witness marker is true, then resetting and inserting the position is the current positioning key of pressing 12 predefined numerical digits, and the input point of inserting the place, position flashes prompting is current to be imported at for whom, simultaneously, and corresponding to current numerical digit zone bit 22 highlighted demonstrations of inserting the position;
1) be false as if witness marker, then set bit flag, and definition insertion position is the lowest order of current operand for true;
2) if witness marker is true, and current insertion position then defines and inserts one of lt less than current operand most significant digit;
3) if witness marker be true, and current insertions position equals current operand most significant digit, and then the definition insertion is the lowest order of current operand;
1) be false as if witness marker, then set bit flag, and definition insertion position is the most significant digit of current operand for true;
2) if witness marker is true, and current insertion position then defines and inserts one of gt greater than current operand lowest order;
3) if witness marker be true, and current insertions position equals current operand lowest order, and then the definition insertion is the most significant digit of current operand; Decimal place operating key (" F420 " key): the effective decimal place to calculation result data is provided with.
Described input point can also can be represented with "-" of flashing on data presentation position 21 in data presentation position 21 with " 0 " expression of flashing; Also input point can be set in addition, current insertion position is responded expression.
Can also on counter, be provided with and insert switch key 14 (" INSERT " key), make when input digit, can be directly switch to the insertion pattern, plug-in type is carried out in a certain position of numeral to be revised, make and find behind the error in data of counter input, directly hop jump is made amendment to that wrong one-bit digital, also can move to that wrong one-bit digital with the move to left key 15 or the key 16 that moves to right makes amendment, re-enter again and return and be scavenged into wrong numerical digit step by step, make counter more convenient to use without zero clearing or with backspace key.
Counter is provided with the insertion sign at inserting switch mode, and initialization is inserted and is masked as vacation.And when pressing start/removing zero setting key (" ON/C " key), make it when removing computing information such as line of input data, witness marker (witness marker promptly being set), numerical digit zone bit 22 and error flag, remove and insert sign (promptly be provided with to insert and be masked as vacation) for false.
When insertion switch key 14 was pressed, arithmetic unit detects and inserts sign, and was true if insertion is masked as, and then was provided with to insert to be masked as vacation; If insert and be masked as vacation, insertion then is set is masked as true.
And if positioning key is pressed, then realize following function this moment:
1) if witness marker is masked as vacation for false, insertion, and current operand is non-vanishing, the digit value of then current operand and current positioning key is carried out multiplying, and witness marker is set for true, is provided with and inserts one on a right side that is the current predefined numerical digit of pressing of positioning key;
2) if witness marker for false, insert and be masked as very, and current operand is non-vanishing, then sets bit flag for true, and is provided with and inserts the position and be the predefined numerical digit of the current positioning key of pressing;
3) if witness marker is false, and current operand equals zero, and then sets bit flag and definition and inserts the position and be the predefined numerical digit of the current positioning key of pressing;
4) if witness marker is true, then redefining and inserting the position is the predefined numerical digit of the current positioning key of pressing.
Such design makes the user when input one bigger data, finds certain numeric error wherein, can press earlier and insert switch key 14, navigates to the numerical digit that needs change fast by positioning key again, carries out the modification of the numeral on the specific digits.
Electronic calculator can be provided with the electricity-saving function module: if start does not all have button to press within back 5 minutes, electronic calculator enters sleep state, has only when the ON key is pressed, just start again.Setting can be avoided not using for a long time after the start like this, the waste electric energy.
Electronic calculator can also be provided with the measuring ability module of makeing mistakes: if mistake appears in current calculating, then demonstrate mismark, up to detecting start/removing zero setting key (" ON/C " key) or current clear key (" CE " key) is pressed, clear out of mismark, restart computing.
As: (1) when input during data, as " 800,000 ", (A) input number keyboard " 8 " and positioning key " 100,000 " simultaneously, LCD display 2 promptly is shown as " 800,000 " and reaches " 100,000 " numerical digit sign; (B) also can import positioning key " 100,000 " earlier, this moment, the numerical digit zone bit 22 was shown as " 100,000 " numerical digit sign, and in the data presentation position the 21 corresponding digit positions input point of flashing, input number keyboard " 8 ", LCD display 2 promptly is shown as " 800,000 " and reaches " 100,000 " numerical digit sign; (C) also can first input number keyboard " 8 ", back input positioning key " 100,000 ", LCD display 2 promptly was shown as " 800,000 " and reached " 100,000 " numerical digit sign this moment.
When (2) data mantissa has " 0 ",, (A) can import positioning key " 1,000,000 " earlier, then input number keyboard " 6 ", " 7 ", " 8 " as data " 6,780; 000 ", it is the numerical digit sign " 1,000,000 " that LCD display 2 is shown as " 6,780,000 " and data most significant digit; (B) also can first input number keyboard " 6 ", " 7 ", " 8 ", this moment, LCD display 2 promptly was shown as " 678 " and numerical digit sign " hundred ", then imported positioning key " ten thousand ", and LCD display 2 promptly is shown as the numerical digit sign " 1,000,000 " of " 6; 780,000 " and data most significant digit;
(3) between data or when " 0 " is arranged,, can import positioning key " 1,000,000 " earlier, then import data " 1 " as data " 1,000; 800 ", be shown as " 1,000,000 ", import positioning key " hundred " again, this moment data presentation position 21 in the corresponding hundred digit positions input point of flashing, and Data Labels position " hundred " flash, follow input digit " 8 ", LCD display 2 promptly is shown as the numerical digit sign " 1,000,000 " of " 1,000,800 " and data most significant digit.
(4) if data do not have zero or few zero the time, then the same with common counter as data " 123,406 ", direct input number keyboard can the inoperation positioning key.
(5) before the input data, as the repetitive operation positioning key, then the positioning key with last input is as the criterion.
(6) if operate positioning key and numerical key and do not insert other button of operation always, then only show as the input of data, data are not separated, and calculation procedure does not increase yet.
(7) if when existing positioning key is big inadequately or not enough, can operates two positioning keys simultaneously and form a co-located key, the digit value that the co-located key representative of formation is set is that the digit value of current all positioning keys of pressing 12 definition is long-pending.As pressing positioning key " thousand ", " hundred million " simultaneously, represent that then positioning key is " hundred billion ".
(8) when input positioning key, input data and demonstration result of calculation, LCD display 2 is promptly at the numerical digit zone bit 22 synchronous numerical digit signs that show the numerical digit sign of corresponding most significant position certificate and insert bit data.
(9) when input digit is wrong will revise the time, available insertion switch key 14 (" INSERT " key) switches to the insertion pattern, and is strong 12 by the location again, directly navigates to vicious numerical digit and carries out plug-in type and revise
(10) when input digit is wrong will revise the time, also can move to vicious that one-bit digital and make amendment with the move to left key 15 or the key 16 that moves to right.
In order better to understand the specific embodiment of the invention, table 1 shows the specific operation process tabulation of each calculating process for example.
Table 1
| Sequence number | For example | Operation | Data presentation | The numerical digit sign shows |
| <1> | Start/removing zero setting | " C/ON " |
0. | |
| <2> | 6,000,000 | Import " 1,000,000 " key, " 6 " key simultaneously | 6,000,000. | " 1,000,000 " |
| <3> | 6,000,000 | Import " 1,000,000 " key earlier | 0. | " 1,000,000 " (flicker) |
| Back input " 6 " key | 6,000,000. | " 1,000,000 " | ||
| <4> | 6,890,000 | Import " 6 " " 8 " " 9 " key earlier | 689. | " hundred " |
| Back input " ten thousand " key | 6,890,000. | " 1,000,000 " | ||
| <5> | 800,008,600 | Input " hundred million " simultaneously earlier, " 8 " key | 800,000,000. | " hundred million " |
| (this moment, the kilobit input point was flashed) | " thousand " key | 800,000,000. | " hundred million " " thousand " (flicker) | |
| " 8 " " 6 " key | 800,008,600. | " hundred million " | ||
| <6> | 8,765,000 | Import " 1,000,000 " key, " 8 " earlier simultaneously | 8,000,000. | " 1,000,000 " |
| Then import " 7 ", " 6 ", " 5 " key | 8,765,000. | " 1,000,000 " | ||
| <7> | 34.89 | " 3 ", " 4 ", ". ", " 8 ", " 9 " key | 34.89. | " ten " |
| <8> | 666+999-1,612＝53 | " 6 ", " 6 ", " 6 " key | 666. | " hundred " |
| "+" key | 666. | " hundred " | ||
| " 9 ", " 9 ", " 9 " key | 999. | " hundred " | ||
| "-" key | 1,665. | " thousand " |
| " 1 ", " 6 ", " 1 ", " 2 " key | 1,612. | " thousand " | ||
| "=" |
53. | " ten " | ||
| <9> | 33×666÷15＝1,465.2 | " 3 ", " 3 " key | 33. | " ten " |
| “×” | 33. | " ten " | ||
| " 6 ", " 6 ", " 6 " key | 666. | " hundred " | ||
| " ÷ " key | 21,978. | " ten thousand " | ||
| " 1 ", " 5 " key | 15. | " ten " | ||
| "=" key | 1,465.2 | " thousand " | ||
| <10> | 3,778 | " 3 ", " 7 ", " 7 ", " 8 " key | 3,778. | " thousand " |
| Insert and revise data | " INSERT ", " hundred " | 3,778. | " thousand " " hundred " (flicker) | |
| Change " 7 ", " 7 " into " 6 ", " 6 " | " 6 ", " 6 " key | 3,668. | " thousand " | |
| <11> | 3,678 | " 3 ", " 6 ", " 7 ", " 8 " key | 3,678. | " thousand " |
| Move and revise data | “right”，“right” | 3,678. | " thousand " " hundred " (flicker) | |
| " 7 " are changed into " 8 " | " 8 " key | 3,688. | " thousand " |
Because the input of adopting positioning key to come control data, numeral all can directly navigate to needed numerical digit fast before or after input, carry out the input of numeral, revise, the numeral of input promptly jumps on the corresponding digit position automatically and shows the numerical digit sign simultaneously, " 0 " is directly by positioning key operation input, back, location input digit is once finished synchronously with " 0 " that will import, corresponding a plurality of " 0 " that on behalf of the data numerical digit, corresponding positioning key promptly simultaneously to have, do not need to press " 0 " key, make the numerical digit absolutely accurate that to import data errorless, reach the quick location input of data, accelerated arithmetic speed, omitted operating process.
Above content be in conjunction with concrete preferred implementation to further describing that the present invention did, can not assert that concrete enforcement of the present invention is confined to these explanations.For the general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.
Claims (9)
1, a kind of electronic calculator, comprise: input media, arithmetic unit and display device, described input media links to each other with arithmetic unit with display device, arithmetic unit receives the input information of input media, this input information is handled, relevant information is shown on the display device, and described input media comprises: numerical key (11) and function key (13); It is characterized in that: also be provided with the one group of positioning key (12) that to locate fast the numerical digit of input digit on the described electronic calculator.
2, a kind of electronic calculator as claimed in claim 1 is characterized in that: described positioning key (12) is one group of metric positioning key (12), wherein, and the corresponding digit value of each positioning key (12).
3, a kind of electronic calculator as claimed in claim 1 is characterized in that: described positioning key (12) is selected from: " ten " key, " hundred " key, " thousand " key, " ten thousand " key, " 100,000 " key, " 1,000,000 " key, " necessarily " key, " hundred million " key, " 1,000,000,000 " key; Or " 10 " key, " 100 " key, " K " key, " 10K " key, " 100K " key, " M " key, " 10M " key, " B " key, " 10B " key; Or in " 0x1 " key, " 0x2 " key, " 0x3 " key, " 0x4 " key, " 0x5 " key, " 0x6 " key, " 0x7 " key, " 0x8 " key, " 0x9 " key one group.
4, a kind of electronic calculator as claimed in claim 1, it is characterized in that: be provided with in the described arithmetic unit and indicated the witness marker that whether uses positioning key (12), described positioning key (12), numerical key (11), function key (13) or the key that moves to left (15), the key that moves to right (16) are when pressing, and arithmetic unit is realized following function:
Positioning key (12):
1) if witness marker is false, and current operand is non-vanishing, the digit value of then current operand and current positioning key (12) is carried out multiplying, witness marker is set for true, is provided with and inserts one on a right side that is the predefined numerical digit of the current positioning key of pressing (12);
2) if witness marker is false, and current operand equals zero, and witness marker then is set for true, is provided with to insert the position and be the predefined numerical digit of the current positioning key of pressing (12);
3) if witness marker is true, then resetting and inserting the position is the predefined numerical digit of the current positioning key of pressing (12);
Numerical key (11):
1) if witness marker is false, then to the afterbody supplemental data of current operand;
2) if witness marker is true, then current operand is carried out input operation inserting the position, upgrade current operand, after input operation is finished, insert one of gt to wait for the input of next operand;
Function key (13):
To computings such as service data add/subtracts/takes advantage of/remove, and witness marker is set for false, the input default that makes next service data is that afterbody appends mode;
Key (15) moves to left:
1) be false as if witness marker, then set bit flag, and definition insertion position is the lowest order of current operand for true;
2) if witness marker is true, and current insertion position then defines and inserts one of lt less than current operand most significant digit;
3) if witness marker be true, and current insertions position equals current operand most significant digit, and then the definition insertion is the lowest order of current operand;
Key (16) moves to right:
1) be false as if witness marker, then set bit flag, and definition insertion position is the most significant digit of current operand for true;
2) if witness marker is true, and current insertion position then defines and inserts one of gt greater than current operand lowest order;
3) if witness marker be true, and current insertions position equals current operand lowest order, and then the definition insertion is the most significant digit of current operand.
5, a kind of electronic calculator as claimed in claim 1, it is characterized in that: described positioning key comprises insertion switch key (14), be provided with in the described arithmetic unit and indicated whether use the insertion sign that inserts switch key (14), when described insertion switch key (14) when pressing, arithmetic unit is realized following function:
Detect the insertion sign, true if insertion is masked as, insertion then is set is masked as vacation; If insert and be masked as vacation, insertion then is set is masked as true;
Be provided with in the described arithmetic unit and indicated the witness marker that whether uses positioning key, described positioning key (12), numerical key (11), function key (13) or the key that moves to left (15), the key that moves to right (16) are when pressing, and arithmetic unit is realized following function:
Positioning key (12):
1) if witness marker is masked as vacation for false, insertion, and current operand is non-vanishing, the digit value of then current operand and current positioning key is carried out multiplying, and witness marker is set for true, is provided with and inserts one on a right side that is the current predefined numerical digit of pressing of positioning key;
2) if witness marker for false, insert and be masked as very, and current operand is non-vanishing, then sets bit flag for true, and is provided with and inserts the position and be the predefined numerical digit of the current positioning key of pressing;
3) if witness marker is false, and current operand equals zero, and then sets bit flag and definition and inserts the position and be the predefined numerical digit of the current positioning key of pressing;
4) if witness marker is true, then redefining and inserting the position is the predefined numerical digit of the current positioning key of pressing;
Numerical key (11):
1) if witness marker is false, then to the afterbody supplemental data of current operand;
2) if witness marker is true, then current operand is carried out input operation inserting the position, upgrade current operand, after input operation is finished, insert one of gt to wait for the input of next operand;
Function key (13):
To computings such as service data add/subtracts/takes advantage of/remove, and witness marker is set for false, the input default that makes next service data is that afterbody appends mode;
Key (15) moves to left:
1) be false as if witness marker, then set bit flag, and definition insertion position is the lowest order of current operand for true;
2) if witness marker is true, and current insertion position then defines and inserts one of lt less than current operand most significant digit;
3) if witness marker be true, and current insertions position equals current operand most significant digit, and then the definition insertion is the lowest order of current operand;
Key (16) moves to right:
1) be false as if witness marker, then set bit flag, and definition insertion position is the most significant digit of current operand for true;
2) if witness marker is true, and current insertion position then defines and inserts one of gt greater than current operand lowest order;
3) if witness marker be true, and current insertions position equals current operand lowest order, and then the definition insertion is the most significant digit of current operand.
6, a kind of electronic calculator as claimed in claim 4, it is characterized in that: described display device is LCD display (2), described LCD display (2) is provided with one group of data presentation position (21) and one group of numerical digit zone bit (22), and the sign of described numerical digit zone bit (22) is corresponding with the numerical digit of data presentation position (21) expression;
Wherein, after described positioning key (12) was pressed or numerical key (11) presses, arithmetic unit was also realized following function:
1) if witness marker is false, the arithmetic unit computing draws the most significant digit of the current data of having imported, and corresponding numerical digit zone bit (22) shows on the control display device;
2) if witness marker is true, and current operand is non-vanishing, and the arithmetic unit computing draws the most significant digit of the current data of having imported, and corresponding numerical digit zone bit (22) shows on the control display device;
3) if witness marker is true, and current operand equals zero, and arithmetic unit obtains the numerical digit by positioning key (12) definition, and corresponding numerical digit zone bit (22) shows on the control display device.
7, a kind of electronic calculator as claimed in claim 6 is characterized in that: described numerical digit zone bit (22) is followed successively by from right to left with respect to data presentation position (21): " ten ", " hundred ", " thousand ", " ten thousand ", " 100,000 ", " 1,000,000 ", " necessarily ", " hundred million ", " 1,000,000,000 ", " 10,000,000,000 ", " hundred billion ", " trillion ", " 10,000,000,000,000 "; Or be " 10 ", " 100 ", " K ", " 10K ", " 100K ", " M ", " 10M ", " B ", " 10B ", " 100B ", " KB ", " 10KB ", " 100KB "; Or be " 0x1 ", " 0x2 ", " 0x3 ", " 0x4 ", " 0x5 ", " 0x6 ", " 0x7 ", " 0x8 ", " 0x9 ", " 0x10 ", " 0x11 ", " 0x12 ", " 0x13 ".
8, as claim 1 or 4 or 6 described a kind of electronic calculators, it is characterized in that: be respectively equipped with one group of input point corresponding to different numerical digits on the described display device, input point is represented in the current data insertion position by the insertion numeral of positioning key (12), the key that moves to left (15) or the key that moves to right (16) control.
9, as claim 1 or 4 or 6 described a kind of electronic calculators, it is characterized in that: when positioning key (12), the key that moves to left (15) or the key that moves to right (16) when pressing, the current corresponding numerical digit zone bit (22) in position that inserts flashes, to point out the numerical digit at current place, insertion position.
10, as the implementation method of claim 1 or 4 described a kind of electronic calculators, it is characterized in that: when described data most significant digit statistics have shown, the not numerical digit of input digit zero padding demonstration on display device in the data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101295306A CN101082899B (en) | 2007-06-08 | 2007-06-28 | Electronic calculator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710074763.0 | 2007-06-08 | ||
| CN200710074763 | 2007-06-08 | ||
| CN2007101295306A CN101082899B (en) | 2007-06-08 | 2007-06-28 | Electronic calculator |
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| Publication Number | Publication Date |
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| CN101082899A true CN101082899A (en) | 2007-12-05 |
| CN101082899B CN101082899B (en) | 2012-03-07 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102073617A (en) * | 2011-01-25 | 2011-05-25 | 上海市金山区青少年活动中心 | System for finishing calculation by WPF technology |
| WO2017107850A1 (en) * | 2015-12-24 | 2017-06-29 | 阿里巴巴集团控股有限公司 | Method and device for indicating numeric position information |
| WO2017219893A1 (en) * | 2016-06-21 | 2017-12-28 | 阿里巴巴集团控股有限公司 | Digital information inputting processing method and device |
| CN109213399A (en) * | 2018-07-26 | 2019-01-15 | 阿里巴巴集团控股有限公司 | Numerical value methods of exhibiting, device and computer readable storage medium |
| CN110427133A (en) * | 2019-07-31 | 2019-11-08 | 中国工商银行股份有限公司 | Data processing method and data processing equipment |
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2007
- 2007-06-28 CN CN2007101295306A patent/CN101082899B/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102073617A (en) * | 2011-01-25 | 2011-05-25 | 上海市金山区青少年活动中心 | System for finishing calculation by WPF technology |
| WO2017107850A1 (en) * | 2015-12-24 | 2017-06-29 | 阿里巴巴集团控股有限公司 | Method and device for indicating numeric position information |
| CN106919320A (en) * | 2015-12-24 | 2017-07-04 | 阿里巴巴集团控股有限公司 | A kind of digit information reminding method and device |
| WO2017219893A1 (en) * | 2016-06-21 | 2017-12-28 | 阿里巴巴集团控股有限公司 | Digital information inputting processing method and device |
| CN107526514A (en) * | 2016-06-21 | 2017-12-29 | 阿里巴巴集团控股有限公司 | digital information input processing method and device |
| CN107526514B (en) * | 2016-06-21 | 2021-01-26 | 阿里巴巴集团控股有限公司 | Digital information input processing method and device |
| TWI763663B (en) * | 2016-06-21 | 2022-05-11 | 香港商阿里巴巴集團服務有限公司 | Digital information input processing, data object resource information processing method and device, method and device for digital information input processing to third-party applications, and user interface |
| CN109213399A (en) * | 2018-07-26 | 2019-01-15 | 阿里巴巴集团控股有限公司 | Numerical value methods of exhibiting, device and computer readable storage medium |
| CN110427133A (en) * | 2019-07-31 | 2019-11-08 | 中国工商银行股份有限公司 | Data processing method and data processing equipment |
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|---|---|
| CN101082899B (en) | 2012-03-07 |
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