| 16294 | Calculadora | ZX-Spectrum 48K | Spanish |
| 23437 | Calculadora Cientifica Residente | ZX-Spectrum 48K | Spanish |
| 16537 | Calculadora por Interrupciones | ZX-Spectrum 48K | Spanish |
| 17055 | Calculator | ZX-Spectrum 16K | Spanish |
| 24625 | Calculo | ZX-Spectrum 48K | Spanish |
| 43019 | Calculo de Aceleraciones | ZX-Spectrum 16K/48K | Spanish |
| 42140 | Calculo de Amortizaciones | ZX-Spectrum 16K | Spanish |
| 19417 | Calculo de Determinantes | ZX-Spectrum 48K | Spanish |
| 18096 | Calculo de Errores | ZX-Spectrum 48K | Spanish |
| 23548 | Calculo de Inversiones y Rentabilidad | ZX-Spectrum 48K | Spanish |
| 14395 | Calculo de Porticos | ZX-Spectrum 48K | Spanish |
| 14396 | Calculo de Vigas | ZX-Spectrum 48K | Spanish |
| 38145 | Calculo para Peques | ZX-Spectrum 16K/48K | Spanish |
| 16787 | Caleidoscopio | ZX-Spectrum 48K | Spanish |
| 16484 | Caleidoscopio | ZX-Spectrum 48K | Spanish |
| 42893 | Calendario | ZX-Spectrum 16K | Spanish |
| 19418 | Calendario | ZX-Spectrum 48K | Spanish |
| 17981 | Calendario | ZX-Spectrum 48K | Spanish |
| 18070 | Calendario | ZX-Spectrum 48K | Spanish |
| 16475 | Calendario Perpetuo | ZX-Spectrum 48K | Spanish |