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Anita Desk Calculators Using LSI Integrated Circuits
Anita 1011 LSI


ANITA 1011 LSI - similar to 1000 LSI but with % and memory.

Power supply - AC mains.

Display is 10 digits, Nixie tubes.

4- function, uses RPN (Reverse Polish Notation).

Uses 4 integrated circuits by General Instrument Microelectronics (GIM) - the metal cans in the above photograph.

222 mm X 135 mm X 88 mm (9" x 5.5" x 3.5").

Made in England by Sumlock Anita Electronics Ltd, distributed by Sumlock Comptometer Ltd.

Introduced 1971.

Price £250 Sterling (about US$600).

There is an operating manual for this machine in the Operating Manuals & Leaflets section.

Inside ANITA 1011 LSI
Display of ANITA 1011 LSI

The "Nixie" tube display in use. (Caution there are dangerous voltages exposed.)

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
The Technology Explained
Operating a Comptometer
Old Sterling Currency, £sd
Update Information
Getting in touch

Anita Desk Calculators Using LSI Integrated Circuits

1000 LSI
1011 LSI
1011B LSI
1211 LSI
Business Computer

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Text & photographs copyright © 2002 - 2009 Nigel Tout, except where noted otherwise.