Math menu user interface on a calculator
US8464179B2 · kind B2 · utility
1Cited by
17References
14Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 1, 2008 |
| Grant date | Jun 11, 2013 |
| Priority date | — |
| Expiry date | Nov 1, 2030 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F3/048
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A system comprises a processor and a keyboard coupled to the processor. The keyboard comprises a mathematical function key and an arrow key. When the mathematical function key is pressed, the processor causes the display to display a sequence of math functions or math menu choices upon a user repeatedly pressing the arrow key. For each math function displayed on the display, the processor concurrently also causes the result of the math function to be displayed without the user pressing another key.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.