CH460396A - Rechenmaschine für Multiplikation mit abgekürzter, fortgesetzter Addition oder Subtraktion - Google Patents

Rechenmaschine für Multiplikation mit abgekürzter, fortgesetzter Addition oder Subtraktion

Info

Publication number
CH460396A
CH460396A CH902265A CH902265A CH460396A CH 460396 A CH460396 A CH 460396A CH 902265 A CH902265 A CH 902265A CH 902265 A CH902265 A CH 902265A CH 460396 A CH460396 A CH 460396A
Authority
CH
Switzerland
Prior art keywords
calculator
subtraction
multiplication
abbreviated
continued addition
Prior art date
Application number
CH902265A
Other languages
English (en)
Inventor
Haberkorn H Otto
Original Assignee
Walther Bueromasch Gmbh
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 Walther Bueromasch Gmbh filed Critical Walther Bueromasch Gmbh
Publication of CH460396A publication Critical patent/CH460396A/de

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06C—DIGITAL COMPUTERS IN WHICH ALL THE COMPUTATION IS EFFECTED MECHANICALLY
    • G06C15/00—Computing mechanisms; Actuating devices therefor
    • G06C15/08—Multiplying or dividing devices; Devices for computing the exponent or root
    • G06C15/20—Multiplying or dividing devices; Devices for computing the exponent or root adapted for short-cut multiplication or division

Landscapes

  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Transmission Devices (AREA)
  • Numerical Control (AREA)
CH902265A 1964-08-07 1965-06-28 Rechenmaschine für Multiplikation mit abgekürzter, fortgesetzter Addition oder Subtraktion CH460396A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEW0037344 1964-08-07

Publications (1)

Publication Number Publication Date
CH460396A true CH460396A (de) 1968-07-31

Family

ID=7601446

Family Applications (1)

Application Number Title Priority Date Filing Date
CH902265A CH460396A (de) 1964-08-07 1965-06-28 Rechenmaschine für Multiplikation mit abgekürzter, fortgesetzter Addition oder Subtraktion

Country Status (4)

Country Link
US (1) US3374946A (de)
CH (1) CH460396A (de)
DE (1) DE1474003A1 (de)
SE (1) SE314542B (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3476313A (en) * 1967-07-26 1969-11-04 Victor Comptometer Corp Calculating machine with short cut multiplication

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2886238A (en) * 1959-05-12 Plunkett
US3005585A (en) * 1961-10-24 Ihwth cxlo
US3145923A (en) * 1964-08-25 chall
US2952406A (en) * 1960-09-13 Short-cut multiplication mechanisms
US2216063A (en) * 1935-06-13 1940-09-24 Ncr Co Calculating machine

Also Published As

Publication number Publication date
SE314542B (de) 1969-09-08
DE1474003A1 (de) 1970-01-22
US3374946A (en) 1968-03-26

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