FR1283107A - Electronic calculator - Google Patents
Electronic calculatorInfo
- Publication number
- FR1283107A FR1283107A FR855044A FR855044A FR1283107A FR 1283107 A FR1283107 A FR 1283107A FR 855044 A FR855044 A FR 855044A FR 855044 A FR855044 A FR 855044A FR 1283107 A FR1283107 A FR 1283107A
- Authority
- FR
- France
- Prior art keywords
- electronic calculator
- calculator
- electronic
- 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.
- G06F7/4912—Adding; Subtracting
-
- 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
- G06F7/50—Adding; Subtracting
- G06F7/504—Adding; Subtracting in bit-serial fashion, i.e. having a single digit-handling circuit treating all denominations after each other
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2207/00—Indexing scheme relating to methods or arrangements for processing data by operating upon the order or content of the data handled
- G06F2207/491—Indexing scheme relating to groups G06F7/491 - G06F7/4917
- G06F2207/4919—Using excess-3 code, i.e. natural BCD + offset of 3, rendering the code symmetrical within the series of 16 possible 4 bit values
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Computing Systems (AREA)
- Computational Mathematics (AREA)
- Mathematical Analysis (AREA)
- Pure & Applied Mathematics (AREA)
- Mathematical Optimization (AREA)
- General Engineering & Computer Science (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR855044A FR1283107A (en) | 1960-03-12 | 1961-03-09 | Electronic calculator |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL249357 | 1960-03-12 | ||
FR855044A FR1283107A (en) | 1960-03-12 | 1961-03-09 | Electronic calculator |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1283107A true FR1283107A (en) | 1962-01-27 |
Family
ID=26189599
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR855044A Expired FR1283107A (en) | 1960-03-12 | 1961-03-09 | Electronic calculator |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1283107A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0310701A1 (en) * | 1986-09-30 | 1989-04-12 | Bull HN Information Systems Inc. | BCD arithmetic using binary arithmetic and logical operations |
-
1961
- 1961-03-09 FR FR855044A patent/FR1283107A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0310701A1 (en) * | 1986-09-30 | 1989-04-12 | Bull HN Information Systems Inc. | BCD arithmetic using binary arithmetic and logical operations |
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