GB777440A - Tabulating and calculating machine - Google Patents

Tabulating and calculating machine

Info

Publication number
GB777440A
GB777440A GB17212/53A GB1721253A GB777440A GB 777440 A GB777440 A GB 777440A GB 17212/53 A GB17212/53 A GB 17212/53A GB 1721253 A GB1721253 A GB 1721253A GB 777440 A GB777440 A GB 777440A
Authority
GB
United Kingdom
Prior art keywords
trigger
cycle
time
primary
lead
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
GB17212/53A
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.)
International Business Machines Corp
Original Assignee
International Business Machines 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 International Business Machines Corp filed Critical International Business Machines Corp
Publication of GB777440A publication Critical patent/GB777440A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computing Systems (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computational Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Electric Vacuum Cleaner (AREA)
GB17212/53A 1952-06-25 1953-06-22 Tabulating and calculating machine Expired GB777440A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR777440X 1952-06-25

Publications (1)

Publication Number Publication Date
GB777440A true GB777440A (en) 1957-06-19

Family

ID=9201611

Family Applications (1)

Application Number Title Priority Date Filing Date
GB17212/53A Expired GB777440A (en) 1952-06-25 1953-06-22 Tabulating and calculating machine

Country Status (3)

Country Link
FR (1) FR1120504A (enrdf_load_stackoverflow)
GB (1) GB777440A (enrdf_load_stackoverflow)
NL (1) NL179354B (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
NL179354B (nl)
FR1120504A (enrdf_load_stackoverflow) 1956-07-06

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