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Sinclair Scientific

The Sinclair Scientific is a scientific calculator with 8 digits precision and RPN (reverse polish notation) logic. It has 17 functions, 18 keys and an LED (light-emitting diode) display, typical of calculators of this era. The power source is 4xAAA batteries.

Facts at a glance:

Type Scientific
Functions 17
Keys 18
Precision 8
Logic RPN
Display type LED
Display size
Printer
Length 112 mm
Width 51 mm
Thickness 18 mm
Weight 56 g
Power Source 4xAAA
Country
Original price $69.95
Est. current value unknown
Year introduced 1974
Year discontinued 1975

See other calculators manufactured by Sinclair.