British Calculators
Prinztronic C20
Prinztronic C20.
6 v (4x AA batteries).
Display is 6 digits, red LED.
4-functions, fixed decimal point (0 & 2 places of decimals).
Semiconductors: Cal-Tex Semiconductor Inc. CT5002 (here date coded 1973) & 22 transistors.
95 x 153 x 36 mm (3.75" x 6.0" x 1.4").
Has Texas Instruments "Klixon" keyboard.
About 1973.
Made in Taiwan.
Similar to the Lecom 12.
With the cover open showing the Cal-Tex Semiconductor Inc. CT5002 integrated circuit.
Prinztronic models
Vintage Calculators
© Text & photographs copyright Nigel Tout 2000-2019 except where noted otherwise.
