FR1361611A - Calculatrice électrique digitale - Google Patents
Calculatrice électrique digitaleInfo
- Publication number
- FR1361611A FR1361611A FR933699A FR933699A FR1361611A FR 1361611 A FR1361611 A FR 1361611A FR 933699 A FR933699 A FR 933699A FR 933699 A FR933699 A FR 933699A FR 1361611 A FR1361611 A FR 1361611A
- Authority
- FR
- France
- Prior art keywords
- digital electric
- electric calculator
- calculator
- digital
- electric
- 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
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
- G06F7/38—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation
- G06F7/48—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using non-contact-making devices, e.g. tube, solid state device; using unspecified devices
- G06F7/491—Computations with decimal numbers radix 12 or 20.
- G06F7/498—Computations with decimal numbers radix 12 or 20. using counter-type accumulators
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
- G06F7/60—Methods or arrangements for performing computations using a digital non-denominational number representation, i.e. number representation without radix; Computing devices using combinations of denominational and non-denominational quantity representations, e.g. using difunction pulse trains, STEELE computers, phase computers
- G06F7/68—Methods or arrangements for performing computations using a digital non-denominational number representation, i.e. number representation without radix; Computing devices using combinations of denominational and non-denominational quantity representations, e.g. using difunction pulse trains, STEELE computers, phase computers using pulse rate multipliers or dividers pulse rate multipliers or dividers per se
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Computing Systems (AREA)
- Mathematical Optimization (AREA)
- Mathematical Analysis (AREA)
- Pure & Applied Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Computational Mathematics (AREA)
- Mathematical Physics (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Complex Calculations (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB17243/62A GB942219A (en) | 1962-05-04 | 1962-05-04 | Improvements in or relating to digital electrical calculating apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1361611A true FR1361611A (fr) | 1964-05-22 |
Family
ID=10091785
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR933699A Expired FR1361611A (fr) | 1962-05-04 | 1963-05-04 | Calculatrice électrique digitale |
Country Status (3)
Country | Link |
---|---|
US (1) | US3267267A (fr) |
FR (1) | FR1361611A (fr) |
GB (1) | GB942219A (fr) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3508039A (en) * | 1966-11-30 | 1970-04-21 | Nasa | Apparatus for computing square roots |
JPS4939296B1 (fr) * | 1968-05-25 | 1974-10-24 | ||
US3576983A (en) * | 1968-10-02 | 1971-05-04 | Hewlett Packard Co | Digital calculator system for computing square roots |
US3557348A (en) * | 1969-04-09 | 1971-01-19 | Westinghouse Electric Corp | Digital arithmetic system for computation of square roots and squares employing a rate multiplier |
US3676656A (en) * | 1969-06-30 | 1972-07-11 | Gen Electric | Electronic digital slide rule |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3126476A (en) * | 1959-03-31 | 1964-03-24 | Binary rate multiplier |
-
1962
- 1962-05-04 GB GB17243/62A patent/GB942219A/en not_active Expired
-
1963
- 1963-05-02 US US277554A patent/US3267267A/en not_active Expired - Lifetime
- 1963-05-04 FR FR933699A patent/FR1361611A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB942219A (en) | 1963-11-20 |
US3267267A (en) | 1966-08-16 |
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