JPS53121520A - Calculator operating device - Google Patents
Calculator operating deviceInfo
- Publication number
- JPS53121520A JPS53121520A JP3670777A JP3670777A JPS53121520A JP S53121520 A JPS53121520 A JP S53121520A JP 3670777 A JP3670777 A JP 3670777A JP 3670777 A JP3670777 A JP 3670777A JP S53121520 A JPS53121520 A JP S53121520A
- Authority
- JP
- Japan
- Prior art keywords
- operating device
- calculator operating
- calculator
- educational
- easy
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Calculators And Similar Devices (AREA)
Abstract
PURPOSE: To carry out an operator education in an easy and highly efficient way by adding a selecting function for the educational and the ordinary operation modes to the calculator operating device.
COPYRIGHT: (C)1978,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3670777A JPS53121520A (en) | 1977-03-31 | 1977-03-31 | Calculator operating device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3670777A JPS53121520A (en) | 1977-03-31 | 1977-03-31 | Calculator operating device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS53121520A true JPS53121520A (en) | 1978-10-24 |
JPS5723886B2 JPS5723886B2 (en) | 1982-05-21 |
Family
ID=12477233
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3670777A Granted JPS53121520A (en) | 1977-03-31 | 1977-03-31 | Calculator operating device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS53121520A (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS515135A (en) * | 1974-07-02 | 1976-01-16 | Mitsubishi Precision Co Ltd |
-
1977
- 1977-03-31 JP JP3670777A patent/JPS53121520A/en active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS515135A (en) * | 1974-07-02 | 1976-01-16 | Mitsubishi Precision Co Ltd |
Also Published As
Publication number | Publication date |
---|---|
JPS5723886B2 (en) | 1982-05-21 |
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