CN204166526U - Digital calculator - Google Patents
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- Publication number
- CN204166526U CN204166526U CN201420567471.6U CN201420567471U CN204166526U CN 204166526 U CN204166526 U CN 204166526U CN 201420567471 U CN201420567471 U CN 201420567471U CN 204166526 U CN204166526 U CN 204166526U
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- key
- electrically connected
- touched
- treatment circuit
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Abstract
A kind of digital calculator, comprise a numerical key group, a calculation keys group, a main display and a treatment circuit, treatment circuit is electrically connected numerical key group, calculation keys group and main display and after numerical key group and calculation keys group are touched, the numerical information that the numerical information of each numerical key be pressed or the numerical information of each numerical key produce after each calculation keys computing is shown in main display.Digital calculator also comprises a secondary monitor, a memory module and a collateral key group.Secondary monitor is electrically connected process circuit; Memory module is electrically connected process circuit; Collateral key group is electrically connected process circuit and in the collateral key group touched rear processing circuit controls that makes, the numerical information of memory module record is shown in secondary monitor.
Description
Technical field
The utility model relates to a kind of digital calculator, particularly relates to a kind of digital calculator of double screen.
Background technology
Existing digital calculator only has single screen, therefore can only show a data content at every turn, and the data inputted afterwards can cover the data of original input.When user needs wherein data in computation process, must be handwritten on scratch paper, very inconvenient.Therefore, a kind of digital calculator that can overcome prior art disappearance is needed.
Summary of the invention
The purpose of this utility model is to provide a kind of digital calculator that can overcome prior art disappearance.
Digital calculator of the present utility model comprises a numerical key group, a calculation keys group, a main display and a treatment circuit, and this treatment circuit is electrically connected this numerical key group, this calculation keys group and this main display and after this numerical key group and this calculation keys group are touched, the numerical information that the numerical information of the numerical information of respectively this numerical key be pressed or each this numerical key produces after each this calculation keys computing is shown in this main display.
This digital calculator also comprises a secondary monitor, a memory module and a collateral key group.This secondary monitor is electrically connected this treatment circuit; This memory module is electrically connected this treatment circuit; This collateral key group is electrically connected this treatment circuit and in this collateral key group touched rear this processing circuit controls that makes, the numerical information of this memory module record is shown in this secondary monitor.
In first embodiment, this collateral key group comprises cuts key, is electrically connected this treatment circuit and cuts touched rear this processing circuit controls that makes of key in this digital information recording shown by this main display is shown in this secondary monitor in this memory module.This collateral key group also comprises sticks key, is electrically connected this treatment circuit and sticks in this that key is touched to be made this processing circuit controls the numerical information that this secondary monitor shows be turned being shown by this main display afterwards.This collateral key group also comprises a clear key, is electrically connected this treatment circuit and the numerical information of this secondary monitor is removed in this clear key touched rear this processing circuit controls that makes.
In second embodiment, this collateral key group also comprises a memory button, is electrically connected this treatment circuit and in the touched rear numerical information making this secondary monitor Dynamic Announce of this processing circuit controls produce after each this calculation keys computing of this memory button at every turn.This collateral key group also comprises a summation key, is electrically connected this treatment circuit and makes this memory module record of this processing circuit controls in this summation key is touched and add up through each this calculation keys the numerical information produced after computing in this secondary monitor Dynamic Announce at every turn afterwards.This collateral key group also comprises a tax rate key, is electrically connected this treatment circuit and makes this memory module record of this processing circuit controls and in the current tax rate of this secondary monitor Dynamic Announce afterwards in this tax rate key is touched.
In 3rd embodiment, this key plate also comprises a M+ key, a M-key and a MR key, this memory module has one first mnemon, this collateral key group comprises one first memory button, be electrically connected this treatment circuit and make this processing circuit controls by the digital information recording that produces after M+ key, M-key or the computing of MR key in the first mnemon afterwards in this first memory button is touched, and showing in this secondary monitor.This memory module has one second mnemon, this collateral key group also comprises one second memory button, be electrically connected this treatment circuit and make this processing circuit controls by the digital information recording that produces after M+ key, M-key or the computing of MR key in the second mnemon afterwards in this second memory button is touched, and showing in this secondary monitor.This memory module has one the 3rd mnemon, this collateral key group also comprises one the 3rd memory button, be electrically connected this treatment circuit and make this treatment circuit by the digital information recording that produces after M+ key, M-key or the computing of MR key in the 3rd mnemon afterwards in the 3rd memory button is touched, and in the display of this secondary monitor of control.
The beneficial effects of the utility model are: utilize this collateral key group touched rear this processing circuit controls that makes that the numerical information of this memory module record is shown in this secondary monitor, can overcome prior art disappearance.
Accompanying drawing explanation
Fig. 1 is a circuit block diagram of the utility model digital calculator;
Fig. 2 is the first embodiment of the utility model digital calculator;
Fig. 3 is the second embodiment of the utility model digital calculator;
Fig. 4 is the 3rd embodiment of the utility model digital calculator.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in detail.
Consult Fig. 1, digital calculator 100 of the present utility model comprises treatment circuit 10, display module 11, key plate 12, battery 13 and a memory module 14.
Display module 11 has main display 111 and a secondary monitor 112.Treatment circuit 10 has display control module 102 and a computing module 101.Key plate 12 comprises numerical key group 121, calculation keys group 122 and a collateral key group 123.The effect of each assembly is described in detail as follows.
Treatment circuit 10 is electrically connected display module 11, key plate 12, battery 13 and memory module 14, and after the numerical key group 121 of key plate 12 and calculation keys group 122 are touched, by the numerical information of each numerical key be pressed, or the numerical information that the numerical information of each numerical key produces after each calculation keys computing, be shown in main display 111.
Secondary monitor 112, memory module 14 and collateral key group 123 are all electrically connected process circuit 10, and after collateral key group 123 is touched, make optional network specific digit information displaying that treatment circuit 10 controls memory module 14 to record in secondary monitor 112.
The detailed description of three embodiments of the present utility model is below provided.
Consult Fig. 1 and Fig. 2, in first embodiment of the present utility model, collateral key group 123 comprises to be cut key 51, and sticks key 52 and a clear key 53, when cut key 51 touched after, make treatment circuit 10 control digital information recording shown by main display 111 to be shown in secondary monitor 112 in memory module 14.When stick key 52 touched after, make treatment circuit 10 control to export the numerical information that memory module 14 records to main display 111, the numerical information that secondary monitor 112 is shown turns and is shown by main display 111.After clear key 53 is touched, the numerical information making treatment circuit 10 control memory module 14 to record is removed, to remove the numerical information of secondary monitor 112.
Consult Fig. 1 and Fig. 3, in second embodiment of the present utility model, collateral key group 123 comprises memory button 61, summation key 62 and a tax rate key 63, after memory button 61 is touched, make treatment circuit 10 control memory module 14 and record the numerical information produced after each calculation keys computing, and show in secondary monitor 112, as carried out repeatedly computing, then the numerical information that at every turn produces after each calculation keys computing of secondary monitor 112 Dynamic Announce.After summation key 62 is touched, total value is also recorded in memory module 14 by the numerical information making treatment circuit 10 add up at every turn producing after each calculation keys computing.After tax rate key 63 is touched, in numerical key group 121 import tariff, make treatment circuit 10 control memory module 14 and to record and in the current tax rate of this secondary monitor 112 Dynamic Announce.
Consult Fig. 1 and Fig. 3, in 3rd embodiment of the present utility model, key plate 12 also comprises a M+ key, a M-key and a MR key (not shown), memory module 14 has one first mnemon, the second mnemon and one the 3rd mnemon (not shown), collateral key group 123 comprises one first memory button 71,1 second memory button 72 and one the 3rd memory button 73, after the first memory button 71 is touched, make treatment circuit 10 control by the digital information recording that produces after M+ key, M-key or the computing of MR key in the first mnemon, and show in secondary monitor 112.After the second memory button 72 is touched, makes treatment circuit 10 control by the digital information recording that produces after M+ key, M-key or the computing of MR key in the second mnemon, and show in secondary monitor 112.After the 3rd memory button 73 is touched, makes treatment circuit 10 control by the digital information recording that produces after M+ key, M-key or the computing of MR key in the 3rd mnemon, and show in secondary monitor 112.In above-described embodiment, the quantity of this collateral key group 123 is three, but can have varying number according to actual demand, is not limited to this.
The beneficial effects of the utility model are: after utilizing collateral key group 123 touched, make treatment circuit 10 control the numerical information that memory module 14 records to be shown in secondary monitor 112, can overcome prior art disappearance.
Claims (4)
1. a digital calculator, comprise a numerical key group, a calculation keys group, a main display and a treatment circuit, this treatment circuit is electrically connected this numerical key group, this calculation keys group and this main display and after this numerical key group and this calculation keys group are touched, the numerical information that the numerical information of the numerical information of respectively this numerical key be pressed or each this numerical key produces after each this calculation keys computing is shown in this main display; It is characterized in that: this digital calculator also comprises:
One secondary monitor, is electrically connected this treatment circuit;
One memory module, is electrically connected this treatment circuit, for remembering an optional network specific digit information; And
One collateral key group, has multiple button, for being electrically connected this treatment circuit and making this processing circuit controls by the optional network specific digit information displaying of this memory module record in this secondary monitor afterwards in this collateral key group is touched.
2. digital calculator according to claim 1, is characterized in that: this collateral key group comprises:
One cuts key, is electrically connected this treatment circuit and cuts touched rear this processing circuit controls that makes of key in this digital information recording shown by this main display is shown in this secondary monitor in this memory module;
One sticks key, is electrically connected this treatment circuit and sticks in this that key is touched to be made this processing circuit controls the numerical information that this secondary monitor shows be turned being shown by this main display afterwards; And
One clear key, is electrically connected this treatment circuit and the numerical information of this secondary monitor is removed in this clear key touched rear this processing circuit controls that makes.
3. digital calculator according to claim 1, is characterized in that: this collateral key group also comprises:
One memory button, is electrically connected this treatment circuit and in the touched rear numerical information making this secondary monitor Dynamic Announce of this processing circuit controls produce after each this calculation keys computing of this memory button at every turn;
One summation key, is electrically connected this treatment circuit and makes this memory module record of this processing circuit controls in this summation key is touched and add up through each this calculation keys the numerical information produced after computing in this secondary monitor Dynamic Announce at every turn afterwards; And
One tax rate key, is electrically connected this treatment circuit and makes this memory module record of this processing circuit controls and in the current tax rate of this secondary monitor Dynamic Announce afterwards in this tax rate key is touched.
4. digital calculator according to claim 1, is characterized in that: this key plate also comprises a M+ key, a M-key and a MR key, and this memory module has one first mnemon, one second mnemon, and one the 3rd mnemon, and this collateral key group comprises:
One first memory button, is electrically connected this treatment circuit and makes this processing circuit controls by the digital information recording that produces after M+ key, M-key or the computing of MR key in the first mnemon afterwards in this first memory button is touched, and showing in this secondary monitor;
One second memory button, is electrically connected this treatment circuit and makes this processing circuit controls by the digital information recording that produces after M+ key, M-key or the computing of MR key in the second mnemon afterwards in this second memory button is touched, and showing in this secondary monitor; And
One the 3rd memory button, is electrically connected this treatment circuit and makes this processing circuit controls by the digital information recording that produces after M+ key, M-key or the computing of MR key in the 3rd mnemon afterwards in the 3rd memory button is touched, and showing in this secondary monitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420567471.6U CN204166526U (en) | 2014-09-29 | 2014-09-29 | Digital calculator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420567471.6U CN204166526U (en) | 2014-09-29 | 2014-09-29 | Digital calculator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204166526U true CN204166526U (en) | 2015-02-18 |
Family
ID=52540192
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420567471.6U Expired - Fee Related CN204166526U (en) | 2014-09-29 | 2014-09-29 | Digital calculator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204166526U (en) |
-
2014
- 2014-09-29 CN CN201420567471.6U patent/CN204166526U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150218 Termination date: 20210929 |