FR998539A - Appareil à calculer - Google Patents

Appareil à calculer

Info

Publication number
FR998539A
FR998539A FR998539DA FR998539A FR 998539 A FR998539 A FR 998539A FR 998539D A FR998539D A FR 998539DA FR 998539 A FR998539 A FR 998539A
Authority
FR
France
Prior art keywords
calculated
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
English (en)
Inventor
Jean-Charles Seailles
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 FR998539A publication Critical patent/FR998539A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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)
FR998539D 1945-10-24 1945-10-24 Appareil à calculer Expired FR998539A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR998539T 1945-10-24

Publications (1)

Publication Number Publication Date
FR998539A true FR998539A (fr) 1952-01-21

Family

ID=9559415

Family Applications (1)

Application Number Title Priority Date Filing Date
FR998539D Expired FR998539A (fr) 1945-10-24 1945-10-24 Appareil à calculer

Country Status (1)

Country Link
FR (1) FR998539A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2063014A1 (fr) * 1969-09-25 1971-07-02 Hovland Finn

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2063014A1 (fr) * 1969-09-25 1971-07-02 Hovland Finn

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