CH517341A - Value rounding device for computing office machines with numeric keypad - Google Patents

Value rounding device for computing office machines with numeric keypad

Info

Publication number
CH517341A
CH517341A CH1840769A CH1840769A CH517341A CH 517341 A CH517341 A CH 517341A CH 1840769 A CH1840769 A CH 1840769A CH 1840769 A CH1840769 A CH 1840769A CH 517341 A CH517341 A CH 517341A
Authority
CH
Switzerland
Prior art keywords
numeric keypad
rounding device
office machines
value rounding
computing
Prior art date
Application number
CH1840769A
Other languages
German (de)
Inventor
Haberkorn 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 CH517341A publication Critical patent/CH517341A/en

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
    • G06C15/24—Devices for counting the cycles of operation in division or multiplication

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Transmission Devices (AREA)
  • Friction Gearing (AREA)
CH1840769A 1968-12-14 1969-12-11 Value rounding device for computing office machines with numeric keypad CH517341A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19681814807 DE1814807A1 (en) 1968-12-14 1968-12-14 Scraper device with rounding up and down for calculating office machines with numeric keypad

Publications (1)

Publication Number Publication Date
CH517341A true CH517341A (en) 1971-12-31

Family

ID=5716293

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1840769A CH517341A (en) 1968-12-14 1969-12-11 Value rounding device for computing office machines with numeric keypad

Country Status (5)

Country Link
AT (1) AT301912B (en)
CH (1) CH517341A (en)
DE (1) DE1814807A1 (en)
FR (1) FR2026174A1 (en)
GB (1) GB1286980A (en)

Also Published As

Publication number Publication date
GB1286980A (en) 1972-08-31
FR2026174A1 (en) 1970-09-11
AT301912B (en) 1972-09-25
DE1814807A1 (en) 1970-06-25

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Legal Events

Date Code Title Description
PL Patent ceased