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Unimark 813T

The Unimark 813T is an arithmetic calculator with 8 digits precision and algebraic logic. It has 7 functions, 22 keys and a VFD (vacuum fluorescent) display. The power source is 4xAA batteries. The calculator was manufactured in Japan.

Facts at a glance:

Type Arithmetic
Functions 7
Keys 22
Precision 8
Logic Algebraic
Display type VFD
Display size
Printer
Length 144 mm
Width 90 mm
Thickness 26 mm
Weight unknown g
Power Source 4xAA
Country Japan
Original price unknown
Est. current value unknown
Year introduced 1975
Year discontinued 1975

See other calculators manufactured by Unimark.