Calculators sold by Sumlock and made by other companies
Sumlock Compucorp 322G Scientist

Sumlock Compucorp 322G

Sumlock-Compucorp 322G Scientist

The display is amber 'Panaplex II' gas discharge.

This model is programmable with 80-step program storage and advanced scientific functions.

The calculator is powered by 4x D size rechargeable cells.

140 mm x 230 mm x 51 mm (5.5" x 9" x 2").

Price in February 1974 GBP£370[1]

Made in the U.S.A. by Compucorp (Computer Design Corporation) of Los Angeles, and supplied as the OEM to Sumlock Anita Electronics Ltd.

Sumlock Compucorp 322G

These photographs are from an advertising brochure for the Sumlock Compucorp 322G Scientist (pdf format).


  1. Valéry, Nicholas, "Calculators take the fuss out of computing", New Scientist, 7 February 1974, p327.

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Text & photographs copyright © 2002 - 2023 Nigel Tout, except where noted otherwise.