FR968377A - Direct reading logarithmic calculator - Google Patents
Direct reading logarithmic calculatorInfo
- Publication number
- FR968377A FR968377A FR968377DA FR968377A FR 968377 A FR968377 A FR 968377A FR 968377D A FR968377D A FR 968377DA FR 968377 A FR968377 A FR 968377A
- Authority
- FR
- France
- Prior art keywords
- direct reading
- logarithmic calculator
- logarithmic
- calculator
- reading
- 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
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR968377T | 1948-06-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR968377A true FR968377A (en) | 1950-11-24 |
Family
ID=9501282
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR968377D Expired FR968377A (en) | 1948-06-26 | 1948-06-26 | Direct reading logarithmic calculator |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR968377A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3309017A (en) * | 1965-06-04 | 1967-03-14 | Melvin A Koskela | Educational calculating device |
-
1948
- 1948-06-26 FR FR968377D patent/FR968377A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3309017A (en) * | 1965-06-04 | 1967-03-14 | Melvin A Koskela | Educational calculating device |
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