---
layout: page
title: OSI Challenger 1P BASIC Programs
permalink: /apps/c1p/BASIC/OSI/
---

OSI Challenger 1P BASIC Programs
--------------------------------

- [BASIC MATH](math/)
- [CHECKING](checking/)
- [COUNTER](counter/)
- [POKER](poker/)
- [PRESIDENTS](presidents/)
- [STAR WARS](starwars/)
- [TRIG TUTOR](trigtutor/)

The project also includes some of [Jeff's](https://twitter.com/jeffpar) [BASIC Programs](../jeffpar/) written
from 1979 to 1980.