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This electronic calculator was released by Sinclair Radionics in early 1978, being among one of the last calculators produced by the company.
The calculator is slightly larger than its predecessors, intended for desktop use rather than being readily portable.
The screen used is an eight digit vacuum fluorescent display and the system requires 2 AA batteries to power.
The functions included are addition, subtraction, division, multiplication as well as percentage, memory, square root and square.
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This exhibit has a reference ID of CH54953. Please quote this reference ID in any communication with the Centre for Computing History.