Altair BASIC
| The title page of the assembly language code that produced Altair BASIC | |
| Original author(s) | Micro-Soft | 
|---|---|
| Developer(s) | |
| Initial release | 2.0 (4K and 8K editions) July 1, 1975 | 
| Stable release | 5.0
   / 14 July 1978 | 
| Platform | Altair 8800 | 
| Type | Microsoft BASIC | 
Altair BASIC is a discontinued interpreter for the BASIC programming language that ran on the MITS Altair 8800 and subsequent S-100 bus computers. It was Microsoft's first product (as Micro-Soft), distributed by MITS under a contract. Altair BASIC was the start of the Microsoft BASIC product range.