GB892424A - An electronic calculating machine - Google Patents

An electronic calculating machine

Info

Publication number
GB892424A
GB892424A GB25184/58A GB2518458A GB892424A GB 892424 A GB892424 A GB 892424A GB 25184/58 A GB25184/58 A GB 25184/58A GB 2518458 A GB2518458 A GB 2518458A GB 892424 A GB892424 A GB 892424A
Authority
GB
United Kingdom
Prior art keywords
track
gate
subtraction
key
closes
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.)
Expired
Application number
GB25184/58A
Other languages
English (en)
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.)
BAE Systems Aerospace Inc
Original Assignee
Hazeltine Corp
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 Hazeltine Corp filed Critical Hazeltine Corp
Priority claimed from US33825A external-priority patent/US3131294A/en
Publication of GB892424A publication Critical patent/GB892424A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F7/491—Computations with decimal numbers radix 12 or 20.
    • G06F7/498—Computations with decimal numbers radix 12 or 20. using counter-type accumulators
    • G06F7/4983—Multiplying; Dividing
    • G06F7/4985—Multiplying; Dividing by successive additions or subtractions
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/02—Conversion to or from weighted codes, i.e. the weight given to a digit depending on the position of the digit within the block or code word
    • H03M7/06—Conversion to or from weighted codes, i.e. the weight given to a digit depending on the position of the digit within the block or code word the radix thereof being a positive integer different from two
    • H03M7/08—Conversion to or from weighted codes, i.e. the weight given to a digit depending on the position of the digit within the block or code word the radix thereof being a positive integer different from two the radix being ten, i.e. pure decimal code

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Computing Systems (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computational Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Character Spaces And Line Spaces In Printers (AREA)
GB25184/58A 1957-08-22 1958-08-06 An electronic calculating machine Expired GB892424A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US892424XA 1957-08-22 1957-08-22
US33825A US3131294A (en) 1960-06-03 1960-06-03 Electronic calculating machine

Publications (1)

Publication Number Publication Date
GB892424A true GB892424A (en) 1962-03-28

Family

ID=31980758

Family Applications (1)

Application Number Title Priority Date Filing Date
GB25184/58A Expired GB892424A (en) 1957-08-22 1958-08-06 An electronic calculating machine

Country Status (2)

Country Link
FR (1) FR1230457A (enExample)
GB (1) GB892424A (enExample)

Also Published As

Publication number Publication date
FR1230457A (enExample) 1960-09-15

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