 The first screenshot, printed in the 1979 Touch the future" brochure by Atari, Inc. | |
| Other names | Calculator |
|---|---|
| Original author(s) | Carol Shaw |
| Developer(s) | Atari, Inc. |
| Initial release | 1979 |
| Written in | Assembly |
| Platform | Atari 8-bit, 6502 |
| Successor | Colleen Calculator |
| Service name | CX-8102 (Atari)APX-20130 (APX) |
| Standard(s) | RPN |
| Available in | English |
| Type | Mathematical software, Financial calculator, Programmable calculator, Software calculator |
| License | Proprietary |
Atari Calculator (or Calculator) is a proprietary software program developed by Atari, Inc. for Atari 8-bit computers and published in 1979. It incorporates the functionality of a scientific calculator into a software calculator. It was written in assembly language by American programmer and game designer Carol Shaw. The program supports multiple modes, including enabling it to be used as a programmable calculator with a then-popular reverse Polish notation (RPN) input method.