GB1375588A - - Google Patents
Info
- Publication number
- GB1375588A GB1375588A GB764172A GB764172A GB1375588A GB 1375588 A GB1375588 A GB 1375588A GB 764172 A GB764172 A GB 764172A GB 764172 A GB764172 A GB 764172A GB 1375588 A GB1375588 A GB 1375588A
- Authority
- GB
- United Kingdom
- Prior art keywords
- decimal
- calculator
- senary
- seconds
- minutes
- 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 OR CALCULATING; 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.
- G06F7/4915—Multiplying; Dividing
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; 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
- G06F7/49—Computations with a radix, other than binary, 8, 16 or decimal, e.g. ternary, negative or imaginary radices, mixed radix non-linear PCM
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; 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.
- G06F7/4915—Multiplying; Dividing
- G06F7/4917—Dividing
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q30/00—Commerce
- G06Q30/04—Billing or invoicing
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C1/00—Registering, indicating or recording the time of events or elapsed time, e.g. time-recorders for work people
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)
- Mathematical Optimization (AREA)
- Pure & Applied Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Business, Economics & Management (AREA)
- Development Economics (AREA)
- Nonlinear Science (AREA)
- Accounting & Taxation (AREA)
- Economics (AREA)
- Finance (AREA)
- Marketing (AREA)
- Strategic Management (AREA)
- General Business, Economics & Management (AREA)
- Time Recorders, Dirve Recorders, Access Control (AREA)
- Complex Calculations (AREA)
- Calculators And Similar Devices (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP800471 | 1971-02-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1375588A true GB1375588A (en:Method) | 1974-11-27 |
Family
ID=11681206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB764172A Expired GB1375588A (en:Method) | 1971-02-22 | 1972-02-18 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3806719A (en:Method) |
| CH (1) | CH544344A (en:Method) |
| DE (1) | DE2208300A1 (en:Method) |
| FR (1) | FR2127656A5 (en:Method) |
| GB (1) | GB1375588A (en:Method) |
| HK (1) | HK42876A (en:Method) |
| NL (1) | NL7202316A (en:Method) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH592916B5 (en:Method) * | 1974-08-19 | 1977-11-15 | Ebauches Sa | |
| US3976867A (en) * | 1975-12-10 | 1976-08-24 | Rca Corporation | Calculator timer with simple base-6 correction |
| US4245328A (en) * | 1979-01-03 | 1981-01-13 | Honeywell Information Systems Inc. | Binary coded decimal correction apparatus for use in an arithmetic unit of a data processing unit |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB738314A (en) * | 1953-02-06 | 1955-10-12 | British Tabulating Mach Co Ltd | Improvements in or relating to electronic adding circuits |
| NL209391A (en:Method) * | 1955-08-01 | |||
| US3112396A (en) * | 1957-05-03 | 1963-11-26 | Ibm | Arithmetic circuitry |
| GB913605A (en) * | 1959-03-24 | 1962-12-19 | Developments Ltd Comp | Improvements in or relating to electronic calculating apparatus |
| US3222506A (en) * | 1961-11-16 | 1965-12-07 | Ibm | Variable radix adder and subtractor |
| US3159740A (en) * | 1962-01-03 | 1964-12-01 | Ibm | Universal radix adder |
| US3584206A (en) * | 1968-02-29 | 1971-06-08 | Gen Electric | Serial bcd adder/subtracter/complementer utilizing interlaced data |
-
1972
- 1972-02-18 GB GB764172A patent/GB1375588A/en not_active Expired
- 1972-02-21 FR FR7205689A patent/FR2127656A5/fr not_active Expired
- 1972-02-22 DE DE19722208300 patent/DE2208300A1/de active Pending
- 1972-02-22 CH CH250372A patent/CH544344A/fr not_active IP Right Cessation
- 1972-02-22 NL NL7202316A patent/NL7202316A/xx unknown
- 1972-02-22 US US00228139A patent/US3806719A/en not_active Expired - Lifetime
-
1976
- 1976-07-08 HK HK428/76*UA patent/HK42876A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE2208300A1 (de) | 1972-09-07 |
| NL7202316A (en:Method) | 1972-08-24 |
| HK42876A (en) | 1976-07-16 |
| CH544344A (fr) | 1973-11-15 |
| US3806719A (en) | 1974-04-23 |
| FR2127656A5 (en:Method) | 1972-10-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PE20 | Patent expired after termination of 20 years |