John F. Tydeman
Name : John F. Tydeman
| Software | Role | Publisher | Type | Year |
|---|---|---|---|---|
| Business Graphics | (Unknown) | Your Spectrum | Utility: Graphics | 1984 |
| Tabcalc | (Unknown) | ZX Computing | Utility: Spreadsheet | 1986 |
Name : John F. Tydeman
| Software | Role | Publisher | Type | Year |
|---|---|---|---|---|
| Business Graphics | (Unknown) | Your Spectrum | Utility: Graphics | 1984 |
| Tabcalc | (Unknown) | ZX Computing | Utility: Spreadsheet | 1986 |
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