Sinclair Scientific Calculator
It uses Reverse Polish Notation RPN like the HP-35 and gives results in scientific notation. Holding down 4 while turning on power will pla...
Sinclair Executive Calculator
138mmH 56mm W 9mm D. As far as i can tell this is a sinclair ql and thats as far as my knowledge extends and i only know that because thats...
Sinclair Pocket Calculator
1940 was able to achieve this by reducing the power input demanded by the calculator chip. Sinclair in his quest for miniturisation to prod...
Sinclair Cambridge Calculator
This was many peoples introduction to electronic calculators. It was sold both as a kit and fully built. Sinclair Cambridge Programmable ...
First Sinclair Calculator
The Sinclair Coefficient for the Olympiad 1st January 2017 to 31st December 2020 The Sinclair coefficients derived statistically are adjust...
Sinclair Programmable Calculator
Hand-held electronic calculators store. The Sinclair Cambridge Programmable Calculator was also sold in the US as the Radio Shack EC-4001. ...