FR912337A - Multi-calculation rule - Google Patents

Multi-calculation rule

Info

Publication number
FR912337A
FR912337A FR912337DA FR912337A FR 912337 A FR912337 A FR 912337A FR 912337D A FR912337D A FR 912337DA FR 912337 A FR912337 A FR 912337A
Authority
FR
France
Prior art keywords
calculation rule
rule
calculation
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
Other languages
French (fr)
Inventor
Jean-Francois Vernet
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 filed Critical
Application granted granted Critical
Publication of FR912337A publication Critical patent/FR912337A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06G—ANALOGUE COMPUTERS
    • G06G1/00—Hand manipulated computing devices
    • G06G1/02—Devices in which computing is effected by adding, subtracting, or comparing lengths of parallel or concentric graduated scales
    • G06G1/10—Devices in which computing is effected by adding, subtracting, or comparing lengths of parallel or concentric graduated scales characterised by the graduation
    • G06G1/12—Devices in which computing is effected by adding, subtracting, or comparing lengths of parallel or concentric graduated scales characterised by the graduation logarithmic graduations, e.g. for multiplication

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
FR912337D 1945-07-09 1945-07-09 Multi-calculation rule Expired FR912337A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR912337T 1945-07-09

Publications (1)

Publication Number Publication Date
FR912337A true FR912337A (en) 1946-08-06

Family

ID=9421255

Family Applications (1)

Application Number Title Priority Date Filing Date
FR912337D Expired FR912337A (en) 1945-07-09 1945-07-09 Multi-calculation rule

Country Status (1)

Country Link
FR (1) FR912337A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2843935A (en) * 1953-11-23 1958-07-22 Gerber Seientific Instr Compan Instrument for measuring, interpolating, plotting and the like

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2843935A (en) * 1953-11-23 1958-07-22 Gerber Seientific Instr Compan Instrument for measuring, interpolating, plotting and the like

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