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JPS5363837A - Electronic desk calculator for practicing mental calculation - Google Patents

Electronic desk calculator for practicing mental calculation

Info

Publication number
JPS5363837A
JPS5363837A JP13994876A JP13994876A JPS5363837A JP S5363837 A JPS5363837 A JP S5363837A JP 13994876 A JP13994876 A JP 13994876A JP 13994876 A JP13994876 A JP 13994876A JP S5363837 A JPS5363837 A JP S5363837A
Authority
JP
Japan
Prior art keywords
practicing
electronic desk
desk calculator
mental calculation
displayed
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
Application number
JP13994876A
Other languages
Japanese (ja)
Other versions
JPS5716706B2 (en
Inventor
Akira Takeda
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sanyo Electric Co Ltd
Original Assignee
Sanyo Electric Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sanyo Electric Co Ltd filed Critical Sanyo Electric Co Ltd
Priority to JP13994876A priority Critical patent/JPS5363837A/en
Publication of JPS5363837A publication Critical patent/JPS5363837A/en
Publication of JPS5716706B2 publication Critical patent/JPS5716706B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Electrically Operated Instructional Devices (AREA)
  • Calculators And Similar Devices (AREA)

Abstract

PURPOSE: In process of executing the calculation, only the number substituted by a main display unit is displayed, and after a mentally-calculated answer is inputted and displayed, the arithmetic result is displayed on the main display unit for the 1 1st time, so that the practice for mentalcalculation can be achieved through the simplified operation.
COPYRIGHT: (C)1978,JPO&Japio
JP13994876A 1976-11-18 1976-11-18 Electronic desk calculator for practicing mental calculation Granted JPS5363837A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13994876A JPS5363837A (en) 1976-11-18 1976-11-18 Electronic desk calculator for practicing mental calculation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13994876A JPS5363837A (en) 1976-11-18 1976-11-18 Electronic desk calculator for practicing mental calculation

Publications (2)

Publication Number Publication Date
JPS5363837A true JPS5363837A (en) 1978-06-07
JPS5716706B2 JPS5716706B2 (en) 1982-04-06

Family

ID=15257397

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13994876A Granted JPS5363837A (en) 1976-11-18 1976-11-18 Electronic desk calculator for practicing mental calculation

Country Status (1)

Country Link
JP (1) JPS5363837A (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4933A (en) * 1972-04-17 1974-01-05
JPS4966044A (en) * 1972-10-27 1974-06-26
JPS4979143A (en) * 1972-12-02 1974-07-31

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4933A (en) * 1972-04-17 1974-01-05
JPS4966044A (en) * 1972-10-27 1974-06-26
JPS4979143A (en) * 1972-12-02 1974-07-31

Also Published As

Publication number Publication date
JPS5716706B2 (en) 1982-04-06

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