| Sinclair ZX Spectrum cass. |
🟩
Omnicalc |
198? |
Microsphere Computer Services, Ltd. |
| Sinclair ZX Spectrum Opus Discovery disk |
🟩
Omnicalc 2 |
1984 |
Microsphere Computer Services, Ltd. |
| Timex Sinclair 2068 cass. |
🟩
Omnicalc 2 |
1984 |
Microsphere Computer Services, Ltd. |
| Sinclair ZX Spectrum cass. |
🟩
Omnicalc 2 Expansion Tape |
1985 |
Microsphere Computer Services, Ltd. |
| Sinclair ZX-81 cass. |
🟩
ZX-Sideprint |
1982 |
Microsphere Computer Services, Ltd. |
| Sinclair ZX Spectrum cass. |
🟩
ZX-Sideprint |
1983 |
Microsphere Computer Services, Ltd. |