ANITA Desk Calculators using both Transistor Logic & Integrated Circuits
Power supply - AC mains.
Display is 10 digits, Nixie tubes.
4-function, %, storage, square root, uses RPN (Reverse Polish Notation).
The electronics is similar to that of the ANITA 1011. It mainly uses transistors, but also has integrated circuits made by Marconi-Elliott Microelectronics using "MOST" (Metal-Oxide Semiconductor Transistor) technology.
265 x 335 x 172 mm (10.4" x 13.25" x 6.75").
Introduced 1970, price £430 GBP (about US$1030).
Made in England by Sumlock Anita Electronics Ltd, distributed by Sumlock Comptometer Ltd.
This advertisement below is from a period when there was a great "buy British" campaign in the UK.
Advertisement for the ANITA 1020 and 1021 square root models from April 1970.
Anita Desk Calculators using both Transistor Logic & Integrated Circuits
Text & photographs copyright © 2002 - 2021 Nigel Tout, except where noted otherwise.