JPS52152137A - Reciprocal operation system - Google Patents

Reciprocal operation system

Info

Publication number
JPS52152137A
JPS52152137A JP6871276A JP6871276A JPS52152137A JP S52152137 A JPS52152137 A JP S52152137A JP 6871276 A JP6871276 A JP 6871276A JP 6871276 A JP6871276 A JP 6871276A JP S52152137 A JPS52152137 A JP S52152137A
Authority
JP
Japan
Prior art keywords
operation system
reciprocal operation
reciprocal
key operation
simple key
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
Application number
JP6871276A
Other languages
Japanese (ja)
Inventor
Kiyomasa Takemoto
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura 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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP6871276A priority Critical patent/JPS52152137A/en
Publication of JPS52152137A publication Critical patent/JPS52152137A/en
Pending legal-status Critical Current

Links

Landscapes

  • Calculators And Similar Devices (AREA)

Abstract

PURPOSE: To realize the electronic desk calculator which can obtain the reciprocal by the simple key operation.
COPYRIGHT: (C)1977,JPO&Japio
JP6871276A 1976-06-14 1976-06-14 Reciprocal operation system Pending JPS52152137A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6871276A JPS52152137A (en) 1976-06-14 1976-06-14 Reciprocal operation system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6871276A JPS52152137A (en) 1976-06-14 1976-06-14 Reciprocal operation system

Publications (1)

Publication Number Publication Date
JPS52152137A true JPS52152137A (en) 1977-12-17

Family

ID=13381659

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6871276A Pending JPS52152137A (en) 1976-06-14 1976-06-14 Reciprocal operation system

Country Status (1)

Country Link
JP (1) JPS52152137A (en)

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