Sinclair Scientific Calculator For Sale
Vintage Casio FX730P Programmable Personal Computer. 1974 Sinclair Scientific Calculator Ad - Logs Trig. Sin Noir Pocket Calculators Comp...
Sinclair Scientific Calculator Kit
It was available both as a kit to be assembled by the purchaser and assembled. The kit is one of a number of Sinclair calculator replicas b...
Sinclair Scientific Calculator Emulator
Sinclair Scientific Calculator Emulator. Holding down 4 while turning on power will place the emulator in a slow CPU mode and it runs 8 tim...