AU2426271A - An improved form of abacus - Google Patents

An improved form of abacus

Info

Publication number
AU2426271A
AU2426271A AU24262/71A AU2426271A AU2426271A AU 2426271 A AU2426271 A AU 2426271A AU 24262/71 A AU24262/71 A AU 24262/71A AU 2426271 A AU2426271 A AU 2426271A AU 2426271 A AU2426271 A AU 2426271A
Authority
AU
Australia
Prior art keywords
abacus
improved form
improved
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
AU24262/71A
Inventor
Arthur Hall Robert
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to AU24262/71A priority Critical patent/AU2426271A/en
Publication of AU2426271A publication Critical patent/AU2426271A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06C—DIGITAL COMPUTERS IN WHICH ALL THE COMPUTATION IS EFFECTED MECHANICALLY
    • G06C1/00—Computing aids in which the computing members form at least part of the displayed result and are manipulated directly by hand, e.g. abacuses or pocket adding devices

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)
AU24262/71A 1971-01-12 1971-01-12 An improved form of abacus Expired AU2426271A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU24262/71A AU2426271A (en) 1971-01-12 1971-01-12 An improved form of abacus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU24262/71A AU2426271A (en) 1971-01-12 1971-01-12 An improved form of abacus

Publications (1)

Publication Number Publication Date
AU2426271A true AU2426271A (en) 1972-07-13

Family

ID=3713227

Family Applications (1)

Application Number Title Priority Date Filing Date
AU24262/71A Expired AU2426271A (en) 1971-01-12 1971-01-12 An improved form of abacus

Country Status (1)

Country Link
AU (1) AU2426271A (en)

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