US2977048A - Automatic calculator - Google Patents
Automatic calculator Download PDFInfo
- Publication number
- US2977048A US2977048A US716680A US71668046A US2977048A US 2977048 A US2977048 A US 2977048A US 716680 A US716680 A US 716680A US 71668046 A US71668046 A US 71668046A US 2977048 A US2977048 A US 2977048A
- Authority
- US
- United States
- Prior art keywords
- automatic calculator
- calculator
- automatic
- 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 - Lifetime
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
- G06F7/40—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using contact-making devices, e.g. electromagnetic relay
- G06F7/44—Multiplying; Dividing
- G06F7/446—Multiplying; Dividing by partial product forming (with electric multiplication table)
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Electromagnetism (AREA)
- Computational Mathematics (AREA)
- Computing Systems (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Pure & Applied Mathematics (AREA)
- General Engineering & Computer Science (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US716680A US2977048A (en) | 1946-12-17 | 1946-12-17 | Automatic calculator |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US716680A US2977048A (en) | 1946-12-17 | 1946-12-17 | Automatic calculator |
Publications (1)
Publication Number | Publication Date |
---|---|
US2977048A true US2977048A (en) | 1961-03-28 |
Family
ID=24878984
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US716680A Expired - Lifetime US2977048A (en) | 1946-12-17 | 1946-12-17 | Automatic calculator |
Country Status (1)
Country | Link |
---|---|
US (1) | US2977048A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20210256491A1 (en) * | 2010-03-02 | 2021-08-19 | Lightspeed Commerce USA. Inc. | System and method for remote management of sale transaction data |
Citations (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1694009A (en) * | 1919-08-11 | 1928-12-04 | Ncr Co | Auditing machine |
US1761662A (en) * | 1923-02-26 | 1930-06-03 | Ncr Co | Auditing machine |
US1874184A (en) * | 1926-09-07 | 1932-08-30 | Ncr Co | Auditing machine |
US2019704A (en) * | 1930-03-11 | 1935-11-05 | Ncr Co | Electrical calculating machine |
US2244241A (en) * | 1937-10-01 | 1941-06-03 | Ibm | Cross-adding accounting machine and programing means therefor |
US2262235A (en) * | 1938-07-21 | 1941-11-11 | Ncr Co | Electric calculating machine |
US2271249A (en) * | 1929-07-05 | 1942-01-27 | Ibm | Multiplying and accounting machine |
US2318591A (en) * | 1936-03-27 | 1943-05-11 | Couffignal Pierre Louis | Apparatus calling for a material representation of numbers |
US2332755A (en) * | 1940-04-27 | 1943-10-26 | Ncr Co | Accounting machine |
US2343273A (en) * | 1938-07-20 | 1944-03-07 | Marchant Calculating Machine | Calculating machine |
US2344885A (en) * | 1938-10-21 | 1944-03-21 | Int Standard Electric Corp | Electrical calculating equipment |
US2425549A (en) * | 1944-08-31 | 1947-08-12 | Ibm | Calculation checking device |
GB600896A (en) * | 1945-02-08 | 1948-04-21 | British Tabulating Mach Co Ltd | Improvements in or relating to calculating machines |
-
1946
- 1946-12-17 US US716680A patent/US2977048A/en not_active Expired - Lifetime
Patent Citations (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1694009A (en) * | 1919-08-11 | 1928-12-04 | Ncr Co | Auditing machine |
US1761662A (en) * | 1923-02-26 | 1930-06-03 | Ncr Co | Auditing machine |
US1874184A (en) * | 1926-09-07 | 1932-08-30 | Ncr Co | Auditing machine |
US2271249A (en) * | 1929-07-05 | 1942-01-27 | Ibm | Multiplying and accounting machine |
US2019704A (en) * | 1930-03-11 | 1935-11-05 | Ncr Co | Electrical calculating machine |
US2318591A (en) * | 1936-03-27 | 1943-05-11 | Couffignal Pierre Louis | Apparatus calling for a material representation of numbers |
US2244241A (en) * | 1937-10-01 | 1941-06-03 | Ibm | Cross-adding accounting machine and programing means therefor |
US2343273A (en) * | 1938-07-20 | 1944-03-07 | Marchant Calculating Machine | Calculating machine |
US2262235A (en) * | 1938-07-21 | 1941-11-11 | Ncr Co | Electric calculating machine |
US2344885A (en) * | 1938-10-21 | 1944-03-21 | Int Standard Electric Corp | Electrical calculating equipment |
US2332755A (en) * | 1940-04-27 | 1943-10-26 | Ncr Co | Accounting machine |
US2425549A (en) * | 1944-08-31 | 1947-08-12 | Ibm | Calculation checking device |
GB600896A (en) * | 1945-02-08 | 1948-04-21 | British Tabulating Mach Co Ltd | Improvements in or relating to calculating machines |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20210256491A1 (en) * | 2010-03-02 | 2021-08-19 | Lightspeed Commerce USA. Inc. | System and method for remote management of sale transaction data |
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