HK42476A - Digital electric calculator - Google Patents
Digital electric calculatorInfo
- Publication number
- HK42476A HK42476A HK424/76*UA HK42476A HK42476A HK 42476 A HK42476 A HK 42476A HK 42476 A HK42476 A HK 42476A HK 42476 A HK42476 A HK 42476A
- Authority
- HK
- Hong Kong
- Prior art keywords
- digital electric
- electric calculator
- calculator
- digital
- electric
- Prior art date
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.
- G06F7/4915—Multiplying; Dividing
-
- 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
- G06F7/49—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; 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.
- G06F7/4915—Multiplying; Dividing
- G06F7/4917—Dividing
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Computing Systems (AREA)
- Computational Mathematics (AREA)
- Mathematical Optimization (AREA)
- Pure & Applied Mathematics (AREA)
- Mathematical Analysis (AREA)
- General Engineering & Computer Science (AREA)
- Nonlinear Science (AREA)
- Complex Calculations (AREA)
- Calculators And Similar Devices (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP689171A JPS549009B1 (it) | 1971-02-17 | 1971-02-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
HK42476A true HK42476A (en) | 1976-07-16 |
Family
ID=11650837
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK424/76*UA HK42476A (en) | 1971-02-17 | 1976-07-08 | Digital electric calculator |
Country Status (10)
Country | Link |
---|---|
US (1) | US3809872A (it) |
JP (1) | JPS549009B1 (it) |
CA (1) | CA976658A (it) |
CH (1) | CH537063A (it) |
DE (1) | DE2207286A1 (it) |
FR (1) | FR2125976A5 (it) |
GB (1) | GB1370981A (it) |
HK (1) | HK42476A (it) |
IT (1) | IT948609B (it) |
NL (1) | NL7202097A (it) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH592916B5 (it) * | 1974-08-19 | 1977-11-15 | Ebauches Sa | |
US3973113A (en) * | 1974-09-19 | 1976-08-03 | Goldsamt Alan B | Electronic calculator for feet-inch-fraction numerics |
US3976867A (en) * | 1975-12-10 | 1976-08-24 | Rca Corporation | Calculator timer with simple base-6 correction |
US4065663A (en) * | 1975-12-11 | 1977-12-27 | Edwards Ii James T | Rate/time computer and control device |
US4172288A (en) * | 1976-03-08 | 1979-10-23 | Motorola, Inc. | Binary or BCD adder with precorrected result |
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 |
US4965825A (en) | 1981-11-03 | 1990-10-23 | The Personalized Mass Media Corporation | Signal processing apparatus and methods |
US4860233A (en) * | 1985-10-22 | 1989-08-22 | Pitchford Leonard J | Dedicated foot/inch calculator |
WO1997036222A1 (en) * | 1996-03-26 | 1997-10-02 | Decao Mao | Two-digit hybrid radix year numbers for year 2000 and beyond |
US5668989A (en) * | 1996-09-18 | 1997-09-16 | Mao; Decao | Two-digit hybrid radix year numbers for year 2000 and beyond |
TWI332174B (en) * | 2006-11-16 | 2010-10-21 | Univ Nat Changhua Education | Chinese abacus adder |
EP4349972A3 (en) | 2016-02-22 | 2024-05-29 | Osaka University | Method for producing three-dimensional cell tissue |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2872107A (en) * | 1951-05-16 | 1959-02-03 | Monroe Calculating Machine | Electronic computer |
GB913605A (en) * | 1959-03-24 | 1962-12-19 | Developments Ltd Comp | Improvements in or relating to electronic calculating apparatus |
GB924396A (en) * | 1959-10-27 | 1963-04-24 | Gen Electric | Automatic data accumulator |
US3159740A (en) * | 1962-01-03 | 1964-12-01 | Ibm | Universal radix adder |
US3621219A (en) * | 1967-08-15 | 1971-11-16 | Hayakawa Denki Kogyo Kk | Arithmetic unit utilizing magnetic core matrix registers |
US3584206A (en) * | 1968-02-29 | 1971-06-08 | Gen Electric | Serial bcd adder/subtracter/complementer utilizing interlaced data |
BE756676A (fr) * | 1969-09-25 | 1971-03-25 | Siemens Ag | Montage pour la production d'un report de groupe inverse a l'aide de circuits ni |
-
1971
- 1971-02-17 JP JP689171A patent/JPS549009B1/ja active Pending
-
1972
- 1972-02-15 GB GB698472A patent/GB1370981A/en not_active Expired
- 1972-02-16 IT IT48363/72A patent/IT948609B/it active
- 1972-02-16 CA CA134,844A patent/CA976658A/en not_active Expired
- 1972-02-16 US US00226921A patent/US3809872A/en not_active Expired - Lifetime
- 1972-02-16 DE DE19722207286 patent/DE2207286A1/de active Pending
- 1972-02-17 NL NL7202097A patent/NL7202097A/xx unknown
- 1972-02-17 FR FR7205310A patent/FR2125976A5/fr not_active Expired
- 1972-02-17 CH CH227272A patent/CH537063A/fr not_active IP Right Cessation
-
1976
- 1976-07-08 HK HK424/76*UA patent/HK42476A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
CH537063A (fr) | 1973-05-15 |
US3809872A (en) | 1974-05-07 |
FR2125976A5 (it) | 1972-09-29 |
GB1370981A (en) | 1974-10-23 |
IT948609B (it) | 1973-06-11 |
CA976658A (en) | 1975-10-21 |
DE2207286A1 (de) | 1972-08-24 |
JPS549009B1 (it) | 1979-04-20 |
NL7202097A (it) | 1972-08-21 |
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