Display is 8 digits, green fluorescent in a single tube.

Scientific ("Electronic Slide Rule").

4.8v (4 x N rechargeable cells).

Integrated Circuit - Rockwell A4001PC (date coded 7538).

83 x 143 x 21 mm (3.25" x 5.7" x 0.8").

Introduced 1974, price £52-90 (about $122).

Memory Devices Ltd., Central Avenue, East Molesey, Surrey.

Made under sub-contract by ITT Components Group Europe.

British calculators