| 8657 | Schaltplanzeichner | ZX-Spectrum 48K | German |
| 23895 | Schema | ZX-Spectrum 48K | Dutch |
| 38219 | Seiko RC-1000 Wrist Terminal DATA Manager | ZX-Spectrum 48K/128K | English |
| 42094 | Simulador Logico | ZX-Spectrum 48K | Spanish |
| 42506 | Sincircuit | ZX-Spectrum 48K | Italian |
| 8008 | Spectrum Electronics - CCT | ZX-Spectrum 48K | English |
| 23242 | Spectrum Programmable I/O Port | ZX-Spectrum 48K | English |
| 34646 | Test Program | ZX-Spectrum 48K | Russian |
| 23223 | The Spectrum Buggy Project | ZX-Spectrum 48K | English |
| 23254 | The Spectrum Light Gun Project | ZX-Spectrum 48K | English |
| 18615 | Transistor | ZX-Spectrum 48K | Spanish |
| 40839 | Transistor Operating Point | ZX-Spectrum 48K | English |
| 8902 | Transistorberechnung | ZX-Spectrum 48K | German |
| 8906 | Trisp | ZX-Spectrum 48K | English |
| 38304 | Výpočet transformátoru | ZX-Spectrum 48K | Czech |
| 43622 | Widerstansbestimmung | ZX-Spectrum 16K/48K | German |
| 38285 | Wire Studio | ZX-Spectrum 48K | Czech |
| 23234 | Zener | ZX-Spectrum 48K | English |