FR1338543A - Retainer addition-subtractor - Google Patents
Retainer addition-subtractorInfo
- Publication number
- FR1338543A FR1338543A FR907189A FR907189A FR1338543A FR 1338543 A FR1338543 A FR 1338543A FR 907189 A FR907189 A FR 907189A FR 907189 A FR907189 A FR 907189A FR 1338543 A FR1338543 A FR 1338543A
- Authority
- FR
- France
- Prior art keywords
- subtractor
- retainer
- addition
- retainer addition
- 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
- 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)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR907189A FR1338543A (en) | 1962-08-17 | 1962-08-17 | Retainer addition-subtractor |
FR961041A FR85129E (en) | 1962-08-17 | 1964-01-21 | Retainer addition-subtractor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR907189A FR1338543A (en) | 1962-08-17 | 1962-08-17 | Retainer addition-subtractor |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1338543A true FR1338543A (en) | 1963-09-27 |
Family
ID=8785336
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR907189A Expired FR1338543A (en) | 1962-08-17 | 1962-08-17 | Retainer addition-subtractor |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1338543A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2538926A1 (en) * | 1983-01-05 | 1984-07-06 | Pince Gerard | Manual counting machine for illiterates |
-
1962
- 1962-08-17 FR FR907189A patent/FR1338543A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2538926A1 (en) * | 1983-01-05 | 1984-07-06 | Pince Gerard | Manual counting machine for illiterates |
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