| Program | Role | Version | Date |
|---|---|---|---|
| KV-Fonic | Programmer | 1.0 | 1990-12-18 |
| Geography-2: Sun-Earth-Moon | Programmer | 1.0 | 1990-11-15 |
| Geography-1: The Solar System | Programmer | 1.0 | 1990-08-07 |
| About the House | Programmer | 1.0 | 1990-07-16 |
| Me First | Programmer | 2.0 | 1990-04-17 |
| Animal Farm | Programmer | 1.0 | 1990-01-01 |
| Animal Match | Programmer | 1990-01-01 | |
| ACC-Tris | Programmer | 1.64 |
