Sinclair Executive Calculator

Year: 1972

Model: Executive

Manufacturer: Sinclair Radionics, LTD

Designer: Unknown

Dimensions: 56mm x 138mm x 9mm / 2.2″ x 5.5″ x 0.4″


Made in: England

Available Colors:

The Executive was the first Sinclair calculator, launched in the summer of 1972. It was very thin for the time due to the innovation of using button cell batteries to power the unit.