FR72652E - Calculatrice électronique - Google Patents

Calculatrice électronique

Info

Publication number
FR72652E
FR72652E FR752613A FR752613A FR72652E FR 72652 E FR72652 E FR 72652E FR 752613 A FR752613 A FR 752613A FR 752613 A FR752613 A FR 752613A FR 72652 E FR72652 E FR 72652E
Authority
FR
France
Prior art keywords
electronic calculator
calculator
electronic
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
FR752613A
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
Priority to FR752613A priority Critical patent/FR72652E/fr
Application granted granted Critical
Publication of FR72652E publication Critical patent/FR72652E/fr
Expired 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
    • G06F7/491—Computations with decimal numbers radix 12 or 20.
    • 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
    • G06F7/491—Computations with decimal numbers radix 12 or 20.
    • G06F7/498—Computations with decimal numbers radix 12 or 20. using counter-type accumulators
    • G06F7/4981—Adding; Subtracting
    • 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
    • G06F7/491—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
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
    • G11C11/21—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements
    • G11C11/23—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using electrostatic storage on a common layer, e.g. Forrester-Haeff tubes or William tubes
    • 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
    • G06F7/499—Denomination or exception handling, e.g. rounding or overflow
    • G06F7/49905—Exception handling

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)
  • Computer Hardware Design (AREA)
  • Tests Of Electronic Circuits (AREA)
FR752613A 1956-11-29 1957-11-28 Calculatrice électronique Expired FR72652E (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR752613A FR72652E (fr) 1956-11-29 1957-11-28 Calculatrice électronique

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US625082A US2905383A (en) 1956-11-29 1956-11-29 Register zero test
FR752613A FR72652E (fr) 1956-11-29 1957-11-28 Calculatrice électronique

Publications (1)

Publication Number Publication Date
FR72652E true FR72652E (fr) 1960-04-22

Family

ID=24504505

Family Applications (2)

Application Number Title Priority Date Filing Date
FR1121000D Expired FR1121000A (fr) 1956-11-29 1955-01-13 Calculatrice électronique
FR752613A Expired FR72652E (fr) 1956-11-29 1957-11-28 Calculatrice électronique

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR1121000D Expired FR1121000A (fr) 1956-11-29 1955-01-13 Calculatrice électronique

Country Status (6)

Country Link
US (1) US2905383A (fr)
BE (1) BE562771A (fr)
CH (1) CH377130A (fr)
FR (2) FR1121000A (fr)
GB (1) GB857047A (fr)
NL (1) NL222794A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6502119B1 (en) * 1999-09-21 2002-12-31 International Business Machines Corporation High speed microprocessor zero detection circuit with 32-bit and 64-bit modes

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL214607A (fr) * 1948-07-09
US2621854A (en) * 1948-12-20 1952-12-16 Northrop Aircraft Inc Zero detector for electronic counters

Also Published As

Publication number Publication date
FR1121000A (fr) 1956-07-18
GB857047A (en) 1960-12-29
US2905383A (en) 1959-09-22
BE562771A (fr) 1960-06-03
NL222794A (fr)
CH377130A (fr) 1964-04-30

Similar Documents

Publication Publication Date Title
CH344857A (fr) Calculatrice arithmétique électronique
FR1193682A (fr) Accumulateur électronique
FR1246226A (fr) Calculateur électronique
FR1160634A (fr) Multiplicateur-diviseur électronique
CH334695A (fr) Calculatrice électronique
CH332186A (fr) Calculatrice électronique
CH357896A (fr) Calculatrice électronique
FR1141871A (fr) Calculatrice électronique
FR1174079A (fr) Interpolateur électronique
FR1211999A (fr) Calculateur électronique
CH330548A (fr) Calculatrice électronique
CH346050A (fr) Totalisateur électronique
CH335878A (fr) Calculatrice électronique
FR1158630A (fr) Commutateur électronique perfectionné
FR72652E (fr) Calculatrice électronique
CH333231A (fr) Calculateur électronique
FR69790E (fr) Interrupteur électronique
FR1158584A (fr) Temporisateur électronique
FR1241918A (fr) Calculateur électronique ultra-rapide
CH340741A (de) Deckelkarde
CH337002A (fr) Calculatrice électronique
FR1162267A (fr) Pyromètre électronique
FR1182251A (fr) Commutateur électronique
FR1162180A (fr) Four électronique
FR1171567A (fr) Signaleur électronique