Sinclair Cambridge Programmable
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
Other Systems Related To Sinclair Cambridge Programmable:
This exhibit has a reference ID of CH2696. Please quote this reference ID in any communication with the Centre for Computing History.