JPS5416148A - Electronic desk calculator - Google Patents
Electronic desk calculatorInfo
- Publication number
- JPS5416148A JPS5416148A JP8139177A JP8139177A JPS5416148A JP S5416148 A JPS5416148 A JP S5416148A JP 8139177 A JP8139177 A JP 8139177A JP 8139177 A JP8139177 A JP 8139177A JP S5416148 A JPS5416148 A JP S5416148A
- Authority
- JP
- Japan
- Prior art keywords
- electronic desk
- desk calculator
- arithmetic key
- calculator
- electronic
- 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.)
- Pending
Links
Landscapes
- Calculators And Similar Devices (AREA)
- Input From Keyboards Or The Like (AREA)
Abstract
PURPOSE: To attain high-speed calculation by preventing the malfunction of an arithmetic key, by displaying whether the arithmetic key has been operated properly and distinction among addition, subtraction, multiplication and division.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8139177A JPS5416148A (en) | 1977-07-06 | 1977-07-06 | Electronic desk calculator |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8139177A JPS5416148A (en) | 1977-07-06 | 1977-07-06 | Electronic desk calculator |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5416148A true JPS5416148A (en) | 1979-02-06 |
Family
ID=13744993
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8139177A Pending JPS5416148A (en) | 1977-07-06 | 1977-07-06 | Electronic desk calculator |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5416148A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57147768A (en) * | 1981-03-09 | 1982-09-11 | Canon Inc | Electronic calculator |
JPS59174404A (en) * | 1983-02-02 | 1984-10-02 | イ−エル.ピ−オ− エス.ア−ル.エル. | Device for filling vessel with liquefied and/or pasty substance under germless state |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4728284Y1 (en) * | 1970-09-14 | 1972-08-26 |
-
1977
- 1977-07-06 JP JP8139177A patent/JPS5416148A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4728284Y1 (en) * | 1970-09-14 | 1972-08-26 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57147768A (en) * | 1981-03-09 | 1982-09-11 | Canon Inc | Electronic calculator |
JPH0232654B2 (en) * | 1981-03-09 | 1990-07-23 | Canon Kk | |
JPS59174404A (en) * | 1983-02-02 | 1984-10-02 | イ−エル.ピ−オ− エス.ア−ル.エル. | Device for filling vessel with liquefied and/or pasty substance under germless state |
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