CN105224018B - Multi-purpose all-round mathematical machine - Google Patents
Multi-purpose all-round mathematical machine Download PDFInfo
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- CN105224018B CN105224018B CN201510585746.8A CN201510585746A CN105224018B CN 105224018 B CN105224018 B CN 105224018B CN 201510585746 A CN201510585746 A CN 201510585746A CN 105224018 B CN105224018 B CN 105224018B
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Abstract
The present invention relates to the multi-purpose all-round mathematical machines of one kind, particularly belong to teaching equipment technical field.Multi-purpose all-round mathematical machine of the invention, including basic computer, input board telescopic mouth is provided on the downside of basic computer, flexible input board is provided on the downside of input board telescopic mouth, input keyboard is provided on front side of flexible input board, mouse control plate is provided on the right side of input keyboard, Trackpad is provided on front side of mouse control plate, left mouse button is provided on the upside of Trackpad, right mouse button is provided on the right side of left mouse button, it is provided with convenient calculator on the left of basic computer, digital screen is provided on front side of convenient calculator, is provided with digital keys on the downside of digital screen.Structure of the invention is simple, easy to operate, and student can be helped to carry out mathematical computations and study, learning efficiency is improved, alleviate the learning burden of student.
Description
Technical field
The invention belongs to educational facilities technical fields, more particularly, to the multi-purpose all-round mathematical machine of one kind.
Background technique
Mathematics is the required course of perhaps multi-disciplinary core curriculum and education of middle and primary schools, as basic course, student's logarithm
Study and grasp it is particularly important, in learning process, can often encounter it is many be difficult to the digital operation calculated, function solves and
The calculating etc. of triangle, these calculate sometimes student can not oneself complete independently, need the help of teacher or tool, lack at present
A kind of auxiliary student carries out the facility for study of quick analytical Calculation.
Summary of the invention
It is easy to use the object of the present invention is to provide a kind of structure is simple, student can be helped to carry out mathematical computations and
The multi-purpose all-round mathematical machine practised.
The technical scheme is that multi-purpose all-round mathematical machine, including basic computer, on the downside of basic computer
It is provided with input board telescopic mouth, is provided with flexible input board on the downside of input board telescopic mouth, is provided with input on front side of flexible input board
Keyboard, input keyboard right side are provided with mouse control plate, and Trackpad is provided on front side of mouse control plate, is provided on the upside of Trackpad
Left mouse button, left mouse button right side are provided with right mouse button, are provided with convenient calculator on the left of basic computer；
It is provided with digital screen on front side of convenient calculator, is provided with digital keys on the downside of digital screen, digital keys lower right side is set
It is equipped with result run-out key, multiplication key is as a result provided on the downside of run-out key, subtraction key is provided on the left of multiplication key, is set on the left of subtraction key
It is equipped with add key, division key is provided on the downside of add key, percent key is provided on the right side of division key, is provided on the right side of percent key
Function switch key, convenient calculator upside are provided with charging jack, charging plug are provided on the left of charging jack, and charging plug is left
Side is provided with charging conductor, and charging transformer is provided on charging conductor, is provided with attaching plug, computer on the downside of charging conductor
It is provided with receiver J-Horner on the upside of main body, microphone jack is provided on the right side of receiver J-Horner, is provided on the right side of microphone jack miniature
Printer, microprinting down side are provided with print button, printout mouth are provided on the right side of print button, print out on mouth
Side is provided with print indicator, and stylus socket is provided on the right side of mini-printer, is provided with stylus on the upside of stylus socket,
It is provided with data transmission interface on the right side of basic computer, Touch Screen is provided on front side of basic computer, is set on the upside of Touch Screen
It is equipped with microphone opening, calculator start button is provided on the left of Touch Screen, is provided with voice solution on the downside of calculator start button
Button is analysed, voice input button is provided on the downside of speech analysis button, is provided with power switch, power supply on the downside of voice input button
Switch right side is provided with control panel, and function parsing button is provided on front side of control panel, is provided with triangle on the right side of function parsing button
Button is parsed, graphics calculations button is provided on the right side of triangle parsing button, is provided with large buttons on the right side of graphics calculations button, puts
It is provided with reduction button on the right side of big button, is provided with function selecting key on the right side of control panel, function selecting key center is provided with confirmation
Key；
Repair demolition plate is provided on rear side of basic computer, repair demolition plate is provided with fixinig plate in two sides up and down, and maintenance is torn open
It unloads and is provided with heat sink on the right side of plate, ventilation heat release hole is provided on front side of heat sink, is provided with battery area, battery area on the upside of heat sink
Front side is provided with detachable battery shell, and disassembly handle is provided on the left of detachable battery shell, is provided on the downside of detachable battery shell
Disassembly switch, mini-printer rear side are provided with printing input port；
Basic computer is internally provided with central processing unit, is provided with processor supply lines on the left of central processing unit, handles
It is provided with internal cell on the left of device supply lines, charge inside line is provided on the upside of internal cell, is provided on the right side of charge inside line
Supply lines is exported, display transmission line is provided on the downside of central processing unit, is provided with display mainboard, centre on front side of display transmission line
It is provided with data transmission wires pipe on the upside of reason device, is provided with integrated annular circuit board on the upside of data transmission wires pipe, collection circularizes
Earphone metal adapter tube is provided on the upside of circuit board, earphone metal adapter tube right side is provided with microphone metal adapter tube, microphone metal
Adapter tube right side is provided with printing transfer bus, is provided with house print device on the upside of printing transfer bus, it is left to integrate annular circuit board
Side is provided with function selector circuit plate, and function selector circuit plate lower left side is provided with calculator connection bus, integrates loop circuit
It is provided with control panel with push-button on the downside of plate, is provided with function key annular circuit board, function key annular circuit board on the right side of control panel with push-button
Upside is provided with audio output circuit plate, is provided with indicator light display board on the upside of audio output circuit plate, integrates annular circuit board
Downside is provided with keyboard connecting line, is provided with keyboard mainboard on the downside of keyboard connecting line, is provided on the right side of integrated annular circuit board interior
Portion's transfer wire, internal transmission conducting wire downside are provided with regulation connecting line；
Convenient calculator is internally provided with digital keys plate, is provided with calculator transfer tube on the right side of digital keys plate, calculates
It is provided with transmission interface tube on the right side of device transfer tube, input lead is provided on the upside of digital keys plate, is provided on the upside of input lead
Computing device, setting statistics have shown conducting wire on the upside of computing device, be provided with digital display on the upside of number display conducting wire.
Preferably, being provided with protection rubber mat on the downside of the flexible input board.
Preferably, being provided with extension and contraction control switch on the downside of the flexible input board.
Preferably, being provided with equipment link on the upside of the mini-printer.
Preferably, being provided with equipment regulation connector on the downside of the data transmission interface.
Preferably, being provided with battery capacity indication lamp on the right side of the Touch Screen.
Preferably, being provided with audio horn on the upside of the function selecting key.
Preferably, being provided with securing plate on the downside of the equipment link.
The medicine have the advantages that structure is simple, and it is easy to operate, student can be helped to carry out mathematical computations and study, mentioned
High learning efficiency, the learning burden of the student of mitigation.
Detailed description of the invention:
Attached drawing 1 is overall structure of the present invention.
Attached drawing 2 is the structural schematic diagram on rear side of basic computer of the present invention.
Attached drawing 3 is the schematic diagram of internal structure of basic computer of the present invention.
Attached drawing 4 is the schematic diagram of internal structure of the convenient calculator of the present invention.
In figure:
1: basic computer, 2: input board telescopic mouth, 3: flexible input board, 4: input keyboard, 5: mouse control plate, 6: touching
Control plate, 7: left mouse button, 8: right mouse button, 9: convenient calculator, 10: digital screen, 11: digital keys, 12: result run-out key,
13: multiplication key, 14: subtraction key, 15: add key, 16: division key, 17: percent key, 18: function switch key, 19: charging is inserted
Mouthful, 20: charging plug, 21: charging conductor, 22: charging transformer, 23: attaching plug, 24: receiver J-Horner, 25: microphone is inserted
Hole, 26: mini-printer, 27: print button, 28: printout mouth, 29: print indicator, 30: stylus socket, 31: touching
Pen is controlled, 32: data transmission interface, 33: Touch Screen, 34: microphone opening, 35: calculator start button, 36: speech analysis is pressed
Button, 37: voice input button, 38: power switch, 39: control panel, 40: function parsing button, 41: triangle parsing button, 42:
Graphics calculations button, 43: large buttons, 44: reduction button, 45: function selecting key, 46: confirmation key, 47: repair demolition plate,
48: fixinig plate, 49: heat sink, 50: ventilation heat release hole, 51: battery area, 52: detachable battery shell, 53: disassembly handle, 54: tearing open
Unload switch, 55: printing input port, 56: central processing unit, 57: processor supply lines, 58: internal cell, 59: charge inside line,
60: output supply lines, 61: display transmission line, 62: display mainboard, 63: data transmission wires pipe, 64: integrated annular circuit board,
65: earphone metal adapter tube, 66: microphone metal adapter tube, 67: printing transfer bus, 68: house print device, 69: function selection electricity
Road plate, 70: calculator connection bus, 71: control panel with push-button, 72: function key annular circuit board, 73: audio output circuit plate,
74: indicator light display board, 75: keyboard connecting line, 76: keyboard mainboard, 77: internal transmission conducting wire, 78: regulation connecting line, 79: number
Word keypad, 80: calculator transfer tube, 81: transmission interface tube, 82: input lead, 83: computing device, 84: number display
Conducting wire, 85: digital display, 86: protection rubber mat, 87: extension and contraction control switch, 88: equipment link, 89: equipment regulates and controls connector,
90: battery capacity indication lamp, 91: audio horn, 92: securing plate.
Specific embodiment
With reference to the accompanying drawings, to it is of the invention it is multi-purpose all can mathematical machine be described in detail.
As shown in Figure 1, multi-purpose all-round mathematical machine of the invention includes basic computer 1, on the downside of basic computer 1
It is provided with input board telescopic mouth 2, flexible input board 3 is provided on the downside of input board telescopic mouth 2, is provided on front side of flexible input board 3
Input keyboard 4 is provided with mouse control plate 5 on the right side of input keyboard 4, Trackpad 6, Trackpad 6 is provided on front side of mouse control plate 5
Upside is provided with left mouse button 7, and right mouse button 8 is provided on the right side of left mouse button 7, convenient meter is provided on the left of basic computer 1
Calculate device 9.
It is provided with digital screen 10 on front side of convenient calculator 9, digital keys 11, digital keys 11 are provided on the downside of digital screen 10
Lower right side is provided with result run-out key 12, and multiplication key 13 is as a result provided on the downside of run-out key 12, is provided with and subtracts on the left of multiplication key 13
Method key 14 is provided with add key 15 on the left of subtraction key 14, division key 16 is provided on the downside of add key 15, is arranged on the right side of division key 16
There is percent key 17, function switch key 18 is provided on the right side of percent key 17, is provided with charging jack on the upside of convenient calculator 9
19, charging plug 20 is provided on the left of charging jack 19, is provided with charging conductor 21 on the left of charging plug 20, on charging conductor 21
It is provided with charging transformer 22, attaching plug 23 is provided on the downside of charging conductor 21, earphone is provided on the upside of basic computer 1 and is inserted
Mouthfuls 24, microphone jack 25 is provided on the right side of receiver J-Horner 24, and mini-printer 26 is provided on the right side of microphone jack 25, it is miniature
It is provided with print button 27 on front side of printer 26, printout mouth 28 is provided on the right side of print button 27, is printed out on mouth 28
Side is provided with print indicator 29, and stylus socket 30 is provided on the right side of mini-printer 26, is arranged on the upside of stylus socket 30
There is stylus 31, data transmission interface 32 is provided on the right side of basic computer 1, is provided with Touch Screen on front side of basic computer 1
33, microphone opening 34 is provided on the upside of Touch Screen 33, and calculator start button 35, calculator are provided on the left of Touch Screen 33
It is provided with speech analysis button 36 on the downside of start button 35, voice input button 37, language are provided on the downside of speech analysis button 36
It is provided with power switch 38 on the downside of sound input button 37, control panel 39 is provided on the right side of power switch 38, is set on front side of control panel 39
It is equipped with function parsing button 40, triangle parsing button 41 is provided on the right side of function parsing button 40, triangle parses 41 right side of button
It is provided with graphics calculations button 42, large buttons 43 are provided on the right side of graphics calculations button 42, are provided on the right side of large buttons 43
Reduction button 44, function selecting key 45 is provided on the right side of control panel 39, and 45 center of function selecting key is provided with confirmation key 46.
As shown in Fig. 2, repair demolition plate 47 is provided on rear side of basic computer 1, the setting of about 47 two sides of repair demolition plate
There is fixinig plate 48, heat sink 49 is provided on the right side of repair demolition plate 47, ventilation heat release hole 50, heat dissipation are provided on front side of heat sink 49
It is provided with battery area 51 on the upside of plate 49, detachable battery shell 52 is provided on front side of battery area 51, is set on the left of detachable battery shell 52
It is equipped with disassembly handle 53, disassembly switch 54 is provided on the downside of detachable battery shell 52, is provided with printing on rear side of mini-printer 26
Input port 55.
As shown in figure 3, basic computer 1 is internally provided with central processing unit 56, place is provided on the left of central processing unit 56
Device supply lines 57 is managed, internal cell 58 is provided on the left of processor supply lines 57, is provided with charge inside on the upside of internal cell 58
Line 59 is provided with output supply lines 60 on the right side of charge inside line 59, display transmission line 61 is provided on the downside of central processing unit 56, is shown
Show and be provided with display mainboard 62 on front side of transmission line 61, data transmission wires pipe 63 is provided on the upside of central processing unit 56, and data pass
It is provided with integrated annular circuit board 64 on the upside of transporting spool 63, earphone metal adapter tube is provided on the upside of integrated annular circuit board 64
65,65 right side of earphone metal adapter tube is provided with microphone metal adapter tube 66, and 66 right side of microphone metal adapter tube is provided with printing and passes
Defeated bus 67 prints and is provided with house print device 68 on the upside of transfer bus 67, is arranged on the left of integrated annular circuit board 64 functional
Selection circuit plate 69,69 lower left side of function selector circuit plate are provided with calculator connection bus 70, integrate under annular circuit board 64
Side is provided with control panel with push-button 71, and function key annular circuit board 72, function key loop circuit are provided on the right side of control panel with push-button 71
It is provided with audio output circuit plate 73 on the upside of plate 72, indicator light display board 74 is provided on the upside of audio output circuit plate 73, integrates
It is provided with keyboard connecting line 75 on the downside of annular circuit board 64, keyboard mainboard 76 is provided on the downside of keyboard connecting line 75, collection circularizes
It is provided with internal transmission conducting wire 77 on the right side of circuit board 64, regulation connecting line 78 is provided on the downside of internal transmission conducting wire 77.
As shown in figure 4, convenient calculator 9 is internally provided with digital keys plate 79, meter is provided on the right side of digital keys plate 79
Device transfer tube 80 is calculated, transmission interface tube 81 is provided on the right side of calculator transfer tube 80, is provided with input on the upside of digital keys plate 79
Conducting wire 82 is provided with computing device 83 on the upside of input lead 82, and setting statistics have shown conducting wire 84 on the upside of computing device 83,
Digital display 85 is provided on the upside of number display conducting wire 84.
When helping student to carry out mathematical analysis and calculate using multi-purpose all-round mathematical machine, guarantee that equipment electricity fills
Foot, presses 38 starting device of power switch, when carrying out numerical calculation, presses the calculator easy to use of calculator start button 35
9 are calculated, and when carrying out function calculating, are pressed function parsing button 40 and are carried out analytical Calculation, carrying out trigonometric function calculating
When, it presses triangle parsing button 41 and carries out triangle analytical Calculation, press speech analysis button 36 and carry out speech sound eeplaining, press voice
Input button 37 inputs information, presses 42 constructing graphic of graphics calculations button and carries out calculating analysis, uses large buttons 43 and contracting
Small button 44 adjusts image size, presses print button 27, can print the image after analysis using mini-printer 26, can also
It is connected by data transmission interface 32 with storage facilities, analysis result is transmitted in storage facilities and is used.
Protection rubber mat 86 is provided on the downside of the flexible input board 3.In this way, being conducive to protect equipment, bottom is prevented
Collision and damage.
Extension and contraction control switch 87 is provided on the downside of the flexible input board 3.In this way, being conducive to for user-friendly control
Flexible input board 3 stretches.
Equipment link 88 is provided on the upside of the mini-printer 26.In this way, being conducive to conveniently hang equipment
It hangs.
Equipment regulation connector 89 is provided on the downside of the data transmission interface 32.In this way, being conducive to equipment
System is configured and optimizes.
Battery capacity indication lamp 90 is provided on the right side of the Touch Screen 33.In this way, being conducive to convenient for users to understanding and setting
Standby remaining capacity.
Audio horn 91 is provided on the upside of the function selecting key 45.In this way, being conducive to output explanation audio and mentioning
Show information.
Securing plate 92 is provided on the downside of the equipment link 88.In this way, being conducive to enhance the firmness of equipment.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvement and replacement can also be made, these are improved and replacement
Also it should be regarded as protection scope of the present invention.
Claims (8)
1. multi-purpose all-round mathematical machine, including basic computer (1), it is characterised in that:
Be provided with input board telescopic mouth (2) on the downside of the basic computer (1), be provided on the downside of input board telescopic mouth (2) stretch it is defeated
Enter plate (3), be provided with input keyboard (4) on front side of flexible input board (3), is provided with mouse control plate on the right side of input keyboard (4)
(5), it is provided with Trackpad (6) on front side of mouse control plate (5), is provided with left mouse button (7), left mouse button on the upside of Trackpad (6)
(7) right side is provided with right mouse button (8), is provided with convenient calculator (9) on the left of basic computer (1)；
It is provided with digital screen (10) on front side of convenient calculator (9), is provided with digital keys (11) on the downside of digital screen (10), number is pressed
Key (11) lower right side is provided with result run-out key (12), is as a result provided with multiplication key (13), multiplication key on the downside of run-out key (12)
(13) left side is provided with subtraction key (14), is provided with add key (15) on the left of subtraction key (14), is provided on the downside of add key (15)
Division key (16), division key (16) right side are provided with percent key (17), are provided with function switch key on the right side of percent key (17)
(18), it is provided with charging jack (19) on the upside of convenient calculator (9), is provided with charging plug (20) on the left of charging jack (19),
It is provided with charging conductor (21) on the left of charging plug (20), charging transformer (22) is provided on charging conductor (21), charging is led
It is provided with attaching plug (23), is provided with receiver J-Horner (24) on the upside of basic computer (1), receiver J-Horner (24) on the downside of line (21)
Right side is provided with microphone jack (25), is provided with mini-printer (26), mini-printer on the right side of microphone jack (25)
(26) front side is provided with print button (27), and printout mouth (28) is provided on the right side of print button (27), prints out mouth
(28) upside is provided with print indicator (29), is provided with stylus socket (30), touch-control penholder on the right side of mini-printer (26)
It is provided with stylus (31) on the upside of mouth (30), is provided with data transmission interface (32), basic computer on the right side of basic computer (1)
(1) front side is provided with Touch Screen (33), is provided with microphone opening (34) on the upside of Touch Screen (33), on the left of Touch Screen (33)
It is provided with calculator start button (35), is provided with speech analysis button (36), voice solution on the downside of calculator start button (35)
It is provided with voice input button (37) on the downside of analysis button (36), is provided with power switch (38) on the downside of voice input button (37),
It is provided with control panel (39) on the right side of power switch (38), function parsing button (40), Function Solution is provided on front side of control panel (39)
It is provided with triangle parsing button (41) on the right side of analysis button (40), is provided with graphics calculations button on the right side of triangle parsing button (41)
(42), it is provided with large buttons (43) on the right side of graphics calculations button (42), is provided with reduction button on the right side of large buttons (43)
(44), it is provided with function selecting key (45) on the right side of control panel (39), function selecting key (45) center is provided with confirmation key (46)；
It is provided with repair demolition plate (47) on rear side of basic computer (1), repair demolition plate (47) is provided with fixinig plate in two sides up and down
(48), it is provided with heat sink (49) on the right side of repair demolition plate (47), ventilation heat release hole (50) is provided on front side of heat sink (49), dissipated
It is provided with battery area (51) on the upside of hot plate (49), is provided with detachable battery shell (52), detachable battery on front side of battery area (51)
It is provided with disassembly handle (53) on the left of shell (52), disassembly switch (54), microprinting are provided on the downside of detachable battery shell (52)
Printing input port (55) is provided on rear side of machine (26)；
Basic computer (1) is internally provided with central processing unit (56), and processor power supply is provided on the left of central processing unit (56)
Line (57), processor supply lines (57) left side are provided with internal cell (58), are provided with charge inside on the upside of internal cell (58)
Line (59), charge inside line (59) right side are provided with output supply lines (60), and display is provided on the downside of central processing unit (56) and is passed
Defeated line (61), display transmission line (61) front side are provided with display mainboard (62), and data biography is provided on the upside of central processing unit (56)
Transporting spool (63), data transmission wires pipe (63) upside are provided with integrated annular circuit board (64), integrate annular circuit board
(64) upside is provided with earphone metal adapter tube (65), and microphone metal adapter tube (66) is provided on the right side of earphone metal adapter tube (65),
It is provided with printing transfer bus (67) on the right side of microphone metal adapter tube (66), internal beat is provided on the upside of printing transfer bus (67)
It prints device (68), is provided with function selector circuit plate (69) on the left of integrated annular circuit board (64), function selector circuit plate (69) is left
Downside is provided with calculator connection bus (70), is provided with control panel with push-button (71), button on the downside of integrated annular circuit board (64)
It is provided with function key annular circuit board (72) on the right side of control panel (71), it is defeated to be provided with audio on the upside of function key annular circuit board (72)
Circuit board (73) out, audio output circuit plate (73) upside are provided with indicator light display board (74), integrate annular circuit board (64)
Downside is provided with keyboard connecting line (75), is provided with keyboard mainboard (76) on the downside of keyboard connecting line (75), integrates annular circuit board
(64) right side is provided with internal transmission conducting wire (77), and regulation connecting line (78) is provided on the downside of internal transmission conducting wire (77)；
Convenient calculator (9) is internally provided with digital keys plate (79), and calculator transmission is provided on the right side of digital keys plate (79)
It manages (80), transmission interface tube (81) is provided on the right side of calculator transfer tube (80), is provided with input on the upside of digital keys plate (79)
Conducting wire (82), input lead (82) upside are provided with computing device (83), and it is aobvious that number is provided on the upside of computing device (83)
Show conducting wire (84), is provided with digital display (85) on the upside of number display conducting wire (84).
2. multi-purpose all-round mathematical machine according to claim 1, it is characterised in that: on the downside of the flexible input board (3)
It is provided with protection rubber mat (86).
3. multi-purpose all-round mathematical machine according to claim 1, it is characterised in that: on the downside of the flexible input board (3)
It is provided with extension and contraction control switch (87).
4. multi-purpose all-round mathematical machine according to claim 1, it is characterised in that: on the upside of the mini-printer (26)
It is provided with equipment link (88).
5. multi-purpose all-round mathematical machine according to claim 1, it is characterised in that: under the data transmission interface (32)
Side is provided with equipment regulation connector (89).
6. multi-purpose all-round mathematical machine according to claim 1, it is characterised in that: set on the right side of the Touch Screen (33)
It is equipped with battery capacity indication lamp (90).
7. multi-purpose all-round mathematical machine according to claim 1, it is characterised in that: on the upside of the function selecting key (45)
It is provided with audio horn (91).
8. multi-purpose all-round mathematical machine according to claim 4, it is characterised in that: set on the downside of the equipment link (88)
It is equipped with securing plate (92).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510585746.8A CN105224018B (en) | 2015-09-08 | 2015-09-08 | Multi-purpose all-round mathematical machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510585746.8A CN105224018B (en) | 2015-09-08 | 2015-09-08 | Multi-purpose all-round mathematical machine |
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| Publication Number | Publication Date |
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| CN105224018A CN105224018A (en) | 2016-01-06 |
| CN105224018B true CN105224018B (en) | 2019-03-29 |
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| CN201510585746.8A Expired - Fee Related CN105224018B (en) | 2015-09-08 | 2015-09-08 | Multi-purpose all-round mathematical machine |
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| CN106781744B (en) * | 2017-02-01 | 2019-07-05 | 徐西文 | Intelligent mathematical multi media for teaching system |
| CN107240312A (en) * | 2017-08-10 | 2017-10-10 | 李霞芬 | Portable english teaching aid |
| CN107240311A (en) * | 2017-08-10 | 2017-10-10 | 李霞芬 | Intelligent english teaching aid |
| CN107230400A (en) * | 2017-08-10 | 2017-10-03 | 李霞芬 | Enforce one's memory English teaching aid |
| CN107248338A (en) * | 2017-08-10 | 2017-10-13 | 李霞芬 | Multifunctional english teaching aid |
| CN108615417A (en) * | 2018-03-23 | 2018-10-02 | 山东英才学院 | A kind of virtual reality human-computer interaction children education experiencing system based on mobile terminal |
| CN108320604A (en) * | 2018-04-10 | 2018-07-24 | 黄淮学院 | A kind of system and its method for solving for solving mathematical function |
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| CN203659234U (en) * | 2014-01-13 | 2014-06-18 | 柴福香 | Multifunctional teaching device |
| CN203966358U (en) * | 2014-07-17 | 2014-11-26 | 杜长娟 | Multi-function Chinese character board of education |
| CN204480130U (en) * | 2015-03-24 | 2015-07-15 | 安道通 | Multi-function computer display device |
| CN204576844U (en) * | 2015-04-26 | 2015-08-19 | 牟照中 | Student majored in liberal arts's auxiliary study device |
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| CN105224018A (en) | 2016-01-06 |
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