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Anita Desk Calculators Using LSI Integrated Circuits
Anita 1211 LSI


ANITA 1211 LSI (also known as the 1211D).

Power supply - AC mains.

Display is 12 digits, amber Panaplex type.

4- function, %.

Uses single Rockwell A1150PB IC.

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.

From about 1973 (has circuit board dated March 1974).

Note - One key cap is missing in the machine photographed.

Note that some of the later models with displays may be referred to with or without a "D" designation, to distinguish them from the printer models with a "P" designation. For example this 1211 LSI was also referred to as the 1211D.

Inside ANITA 1211 LSI

Inside showing the circuit board and the single Rockwell LSI calculator integrated circuit on the right.


Catalog photograph of the Anita 1211 LSI where it is referred to as the 1211D to distinguish it from the 1211P version with printer instead of display, though the label on the calculator shows 1211 LSI.

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.