Sinclair Executive Type 1
|Display size||8 digits|
|Power supply||4 button cells|
|Power consumption||20 milliwatts|
|Dimensions||56 by 138 by 9 millimetres (2.20 in × 5.43 in × 0.35 in)|
The Sinclair Executive was the world's first "slimline"
Its small size was made possible by pulsing the current to the
The Executive was launched in September 1972 at the price of GB£79.95 plus
Clive Sinclair, reckoning that the market for "executive toys" was not especially
A Sinclair Executive purchased by a Russian diplomat exploded in his breast pocket, allegedly leading to an official Soviet investigation.
 It was found that it had been left on by accident, leading to a