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 (cs)
GB (1) GB777440A (cs)
NL (1) NL179354B (cs)

Also Published As

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

Similar Documents

Publication Publication Date Title
US2800278A (en) Number signal analysing means for electronic digital computing machines
US2692551A (en) High-speed rotary printer
US2686632A (en) Digital computer
US2357455A (en) Accounting machine
US2755994A (en) Electronic digital computing device
GB1077343A (en) Stored program data processing apparatus
GB673759A (en) Improvements in calculating apparatus
US2757862A (en) Read-out apparatus for an impulse actuated accumulating device
US2320337A (en) Cathode tube recorder for calculating machines
US3192362A (en) Instruction counter with sequential address checking means
GB938188A (en) Improvements in and relating to electronic computers
GB777440A (en) Tabulating and calculating machine
US3126475A (en) Decimal computer employing coincident
US3077589A (en) Read-out system
GB767236A (en) Digital electrical computer
US3017080A (en) Read-out system
US2981466A (en) Read-out system for a value registering device
US2282028A (en) Electrical accumulator
US2848708A (en) Printing control means for electronic computers and the like
GB458800A (en) Improvements in or relating to calculating machines for performing division
US3060846A (en) Printing control means for accounting machines
US3465296A (en) Plural registers in a calculating machine
US3521043A (en) Ripple-free binary coded decimal accumulator forming correct result during single memory accessing cycle
US2907520A (en) Self-complementing gas tube accumulator
US2390427A (en) Record controlled computing machine