JPS56159734A - Arithmetic system - Google Patents

Arithmetic system

Info

Publication number
JPS56159734A
JPS56159734A JP6222380A JP6222380A JPS56159734A JP S56159734 A JPS56159734 A JP S56159734A JP 6222380 A JP6222380 A JP 6222380A JP 6222380 A JP6222380 A JP 6222380A JP S56159734 A JPS56159734 A JP S56159734A
Authority
JP
Japan
Prior art keywords
arithmetic
digits
stored
memory device
pcz
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
JP6222380A
Other languages
English (en)
Inventor
Shigeo Kurakake
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.)
Casio Computer Co Ltd
Original Assignee
Casio Computer 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 Casio Computer Co Ltd filed Critical Casio Computer Co Ltd
Priority to JP6222380A priority Critical patent/JPS56159734A/ja
Publication of JPS56159734A publication Critical patent/JPS56159734A/ja
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F7/38—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation
    • G06F7/48—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using non-contact-making devices, e.g. tube, solid state device; using unspecified devices
    • G06F7/52—Multiplying; Dividing
    • G06F7/523—Multiplying only
    • G06F7/533—Reduction of the number of iteration steps or stages, e.g. using the Booth algorithm, log-sum, odd-even
    • G06F7/5332—Reduction of the number of iteration steps or stages, e.g. using the Booth algorithm, log-sum, odd-even by skipping over strings of zeroes or ones, e.g. using the Booth Algorithm

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computational Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Calculators And Similar Devices (AREA)
JP6222380A 1980-05-13 1980-05-13 Arithmetic system Pending JPS56159734A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6222380A JPS56159734A (en) 1980-05-13 1980-05-13 Arithmetic system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6222380A JPS56159734A (en) 1980-05-13 1980-05-13 Arithmetic system

Publications (1)

Publication Number Publication Date
JPS56159734A true JPS56159734A (en) 1981-12-09

Family

ID=13193931

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6222380A Pending JPS56159734A (en) 1980-05-13 1980-05-13 Arithmetic system

Country Status (1)

Country Link
JP (1) JPS56159734A (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01297721A (ja) * 1988-05-26 1989-11-30 Fujitsu Ltd 実数データの変換装置
JPH03189817A (ja) * 1989-12-20 1991-08-19 Pfu Ltd 乗除算装置
JPH04104348U (ja) * 1991-02-12 1992-09-08 甲府カシオ株式会社 有効数字運算器

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01297721A (ja) * 1988-05-26 1989-11-30 Fujitsu Ltd 実数データの変換装置
JPH03189817A (ja) * 1989-12-20 1991-08-19 Pfu Ltd 乗除算装置
JPH0833814B2 (ja) * 1989-12-20 1996-03-29 株式会社ピーエフユー 乗除算装置
JPH04104348U (ja) * 1991-02-12 1992-09-08 甲府カシオ株式会社 有効数字運算器

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