Programmable calculator including editing capability
US4480305A · kind A · utility
6Cited by
5References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 22, 1981 |
| Grant date | Oct 30, 1984 |
| Priority date | — |
| Expiry date | Jan 22, 2001 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F15/02
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A programmable calculator having modular read-write and read-only memory units, a central processing unit, a keyboard input unit, and an output display unit includes keys on the keyboard input unit for enabling the user to efficiently and effectively edit programs stored in the read-write memory unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.