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Enterprex SR-815 Slide Rule

The Enterprex SR-815 Slide Rule is a scientific calculator with 8 digits precision and algebraic logic. It has 20 functions, 26 keys and a VFD (vacuum fluorescent) display. The power source is 4xAA batteries.

Facts at a glance:

Type Scientific
Functions 20
Keys 26
Precision 8
Logic Algebraic
Display type VFD
Display size
Printer
Length 135 mm
Width 80 mm
Thickness 40 mm
Weight unknown g
Power Source 4xAA
Country
Original price unknown
Est. current value unknown
Year introduced 1975
Year discontinued

See other calculators manufactured by Enterprex.