CA941509A - Calculating machines - Google Patents

Calculating machines

Info

Publication number
CA941509A
CA941509A CA105,321A CA105321A CA941509A CA 941509 A CA941509 A CA 941509A CA 105321 A CA105321 A CA 105321A CA 941509 A CA941509 A CA 941509A
Authority
CA
Canada
Prior art keywords
calculating machines
machines
calculating
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
CA105,321A
Other versions
CA105321S (en
Inventor
Graham Webb
James J. Drage
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.)
SUMLOCK ANITA ELECTRONICS Ltd
Original Assignee
SUMLOCK ANITA ELECTRONICS Ltd
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 SUMLOCK ANITA ELECTRONICS Ltd filed Critical SUMLOCK ANITA ELECTRONICS Ltd
Application granted granted Critical
Publication of CA941509A publication Critical patent/CA941509A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F15/00—Digital computers in general; Data processing equipment in general
    • G06F15/02—Digital computers in general; Data processing equipment in general manually operated with input through keyboard and computation using a built-in program, e.g. pocket calculators

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Computing Systems (AREA)
  • Computer Hardware Design (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Input From Keyboards Or The Like (AREA)
CA105,321A 1970-02-17 1971-02-15 Calculating machines Expired CA941509A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB752670 1970-02-17

Publications (1)

Publication Number Publication Date
CA941509A true CA941509A (en) 1974-02-05

Family

ID=9834821

Family Applications (1)

Application Number Title Priority Date Filing Date
CA105,321A Expired CA941509A (en) 1970-02-17 1971-02-15 Calculating machines

Country Status (5)

Country Link
AU (1) AU2555471A (en)
CA (1) CA941509A (en)
DE (1) DE2107614A1 (en)
GB (1) GB1309571A (en)
NL (1) NL7102115A (en)

Also Published As

Publication number Publication date
NL7102115A (en) 1971-08-19
AU2555471A (en) 1972-08-24
GB1309571A (en) 1973-03-14
DE2107614A1 (en) 1971-09-02

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