| Software list: | Sinclair ZX81 cassettes (zx81_cass) |
|---|---|
| Short name: | techlit |
| Year: | 1983 |
| Publisher: | National Education Corporation |
| Supported: | Yes |
| Short name: | cass1 |
|---|---|
| Interface: | zx81_cass |
| part_id: | VU-CALC |
| Short name: | cass2 |
|---|---|
| Interface: | zx81_cass |
| part_id: | Self Test |