CH442812A - Einrichtung zur Kommabehandlung in Rechenmaschinen - Google Patents
Einrichtung zur Kommabehandlung in RechenmaschinenInfo
- Publication number
- CH442812A CH442812A CH1378066A CH1378066A CH442812A CH 442812 A CH442812 A CH 442812A CH 1378066 A CH1378066 A CH 1378066A CH 1378066 A CH1378066 A CH 1378066A CH 442812 A CH442812 A CH 442812A
- Authority
- CH
- Switzerland
- Prior art keywords
- comma
- handling
- calculating machines
- machines
- calculating
- 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.
- G06F7/498—Computations with decimal numbers radix 12 or 20. using counter-type accumulators
- G06F7/4983—Multiplying; Dividing
- G06F7/4985—Multiplying; Dividing by successive additions or subtractions
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/02—Input arrangements using manually operated switches, e.g. using keyboards or dials
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/02—Input arrangements using manually operated switches, e.g. using keyboards or dials
- G06F3/023—Arrangements for converting discrete items of information into a coded form, e.g. arrangements for interpreting keyboard generated codes as alphanumeric codes, operand codes or instruction codes
- G06F3/027—Arrangements for converting discrete items of information into a coded form, e.g. arrangements for interpreting keyboard generated codes as alphanumeric codes, operand codes or instruction codes for insertion of the decimal point
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
- G06F3/1407—General aspects irrespective of display type, e.g. determination of decimal point position, display with fixed or driving decimal point, suppression of non-significant zeros
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Human Computer Interaction (AREA)
- Computing Systems (AREA)
- Computational Mathematics (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Pure & Applied Mathematics (AREA)
- Calculators And Similar Devices (AREA)
- Executing Machine-Instructions (AREA)
- Machine Translation (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US489877A US3391391A (en) | 1965-09-24 | 1965-09-24 | Computation with variable fractional point readout |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH442812A true CH442812A (de) | 1967-08-31 |
Family
ID=23945643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1378066A CH442812A (de) | 1965-09-24 | 1966-09-23 | Einrichtung zur Kommabehandlung in Rechenmaschinen |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US3391391A (de) |
| AT (1) | AT263420B (de) |
| BE (1) | BE685525A (de) |
| CH (1) | CH442812A (de) |
| DE (1) | DE1298316B (de) |
| ES (1) | ES331473A1 (de) |
| FR (1) | FR1491725A (de) |
| GB (1) | GB1111960A (de) |
| NL (1) | NL155960B (de) |
| SE (1) | SE340377B (de) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3546676A (en) * | 1963-10-29 | 1970-12-08 | Singer Co | Calculator |
| US3581288A (en) * | 1968-02-28 | 1971-05-25 | Matsushita Electric Ind Co Ltd | Data processing system |
| GB1242121A (en) * | 1968-03-01 | 1971-08-11 | Bell Punch Co Ltd | Improvements in or relating to calculating machine |
| GB1261710A (en) * | 1968-07-18 | 1972-01-26 | Bell Punch Co Ltd | Improvements in or relating to calculating machines |
| US3683159A (en) * | 1969-01-21 | 1972-08-08 | Diversified Electronics Co Inc | Electronic counter and storage apparatus |
| DE1965830C3 (de) * | 1969-01-31 | 1975-08-21 | Matsushita Electric Industrial Co. Ltd., Kadoma, Osaka (Japan) | Vorrichtung zur Eingabe einer Dezimalzahl mit wählbarer Kommastelle in eine Rechenmaschine |
| GB1273747A (en) * | 1969-02-17 | 1972-05-10 | Bell Punch Co Ltd | Improvements in or relating to calculating machines |
| GB1265581A (de) * | 1969-02-17 | 1972-03-01 | ||
| GB1415322A (en) * | 1971-12-21 | 1975-11-26 | Omron Tateisi Electronics Co | Data processing device |
| US3974497A (en) * | 1974-12-20 | 1976-08-10 | Mitsubishi Denki Kabushiki Kaisha | Display device |
| US4169289A (en) * | 1977-07-08 | 1979-09-25 | Bell Telephone Laboratories, Incorporated | Data processor with improved cyclic data buffer apparatus |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2935250A (en) * | 1960-05-03 | reppert | ||
| US2702159A (en) * | 1955-02-15 | reppert | ||
| NL170973B (nl) * | 1952-02-09 | Selvaag Olav | Terras en werkwijze voor het vervaardigen van een dergelijk terras. | |
| US2951637A (en) * | 1954-01-11 | 1960-09-06 | Ibm | Floating decimal system |
| US2947478A (en) * | 1955-05-16 | 1960-08-02 | Ibm | Electronic calculator |
| US3074635A (en) * | 1959-04-27 | 1963-01-22 | Philips Corp | Automatic decimal-point indicator for computers |
| US3043509A (en) * | 1959-09-08 | 1962-07-10 | Ibm | Normalizing apparatus for floating point operations |
| US3056550A (en) * | 1960-01-18 | 1962-10-02 | Bendix Corp | Variable-exponent computers |
| DE1190705B (de) * | 1963-06-28 | 1965-04-08 | Telefunken Patent | Elektronische Vierspeziesrecheneinheit |
-
1965
- 1965-09-24 US US489877A patent/US3391391A/en not_active Expired - Lifetime
-
1966
- 1966-08-16 BE BE685525D patent/BE685525A/xx not_active IP Right Cessation
- 1966-08-23 FR FR8006A patent/FR1491725A/fr not_active Expired
- 1966-08-24 GB GB37916/66A patent/GB1111960A/en not_active Expired
- 1966-09-15 DE DEI31765A patent/DE1298316B/de not_active Withdrawn
- 1966-09-16 AT AT877366A patent/AT263420B/de active
- 1966-09-22 ES ES0331473A patent/ES331473A1/es not_active Expired
- 1966-09-22 NL NL6613358.A patent/NL155960B/xx not_active IP Right Cessation
- 1966-09-23 SE SE12812/66A patent/SE340377B/xx unknown
- 1966-09-23 CH CH1378066A patent/CH442812A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US3391391A (en) | 1968-07-02 |
| BE685525A (de) | 1967-02-01 |
| DE1298316B (de) | 1969-06-26 |
| SE340377B (de) | 1971-11-15 |
| NL155960B (nl) | 1978-02-15 |
| NL6613358A (de) | 1967-03-28 |
| ES331473A1 (es) | 1967-07-01 |
| GB1111960A (en) | 1968-05-01 |
| AT263420B (de) | 1968-07-25 |
| FR1491725A (fr) | 1967-08-11 |
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