Introduction

Anita Desk Calculators using both Transistor Logic & Integrated Circuits
Anita 1021
Anita 1021

Anita 1021

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 Sterling (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.
Anita 1021
Home
Introduction
Origins of Bell Punch Co.
Mechanical Calculator Days
National Calculating Service
Development of Anita 1
Development of Anita 2
Anita is Launched
At work with Anita
All Change at Bell Punch
Anita Developed Further
Anita at its Zenith
The Rockwell Connection
Demise of Anita & Bell Punch
Mechanical Calculators
Early Anita Desktop Calculators
Transistors & Integrated Circuits
Anita LSI Desk Calculators
Anita Hand-held Calculators
Rockwell-Anita Calculators
Calculators made by others
Advertisements & Brochures
Operating Manuals & Materials
Company Information
A Tour of Company Sites
Summary
The Technology Explained
Operating a Comptometer
Old Sterling Currency, £sd
Links
Update Information
Getting in touch

Anita Desk Calculators using both Transistor Logic & Integrated Circuits
1000
1010
1011
1011P
1020
1021

Click here to go to the Vintage Calculators Web Museum

Text & photographs copyright © 2002 - 2008 Nigel Tout, except where noted otherwise.