Brother PRO-CAL 408
Brother PRO-CAL 408
Distinctive features: One of the first hand-held, battery powered calculators.
Technical details:
Display is 8 digits, individual green fluorescent tubes.
Four-function.
6.0v rechargeable battery.
102 mm x 172 mm x 53 mm. (4" x 6.75" x 2.1").
Introduced 1971.
Made in Japan.
The rear cover has been removed to show the circuit board assembly.
Hand-holdable, but definitely not a pocket calculator.
Hand-held Calculators
Vintage Calculators
© Text & photographs copyright Nigel Tout 2000-2023 except where noted otherwise.