Sinclair Cambridge Programmable
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The Sinclair Cambridge Programmable Calculator was also sold in the U.S as the Radio Shack EC-4001.
It had an 8 digits red LED display (made by National Semiconductor).
Scientific programmable. Integrated circuits - National Semiconductor MM5799EHY/N and DS7784N
Our calculator was kindly donated by Francis Hookham
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This exhibit has a reference ID of CH2696. Please quote this reference ID in any communication with the Centre for Computing History.