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Sperry Remington 661 Sperry Rand Remington 661

The Sperry Remington 661 Sperry Rand Remington 661 is an arithmetic calculator with 6 digits precision and algebraic logic. It has 4 functions, 16 keys and a VFD (vacuum fluorescent) display. The power source is 4xAA batteries.

Facts at a glance:

Type Arithmetic
Functions 4
Keys 16
Precision 6
Logic Algebraic
Display type VFD
Display size
Printer
Length 152 mm
Width 83 mm
Thickness unknown mm
Weight unknown g
Power Source 4xAA
Country
Original price unknown
Est. current value unknown
Year introduced 1972
Year discontinued

See other calculators manufactured by Sperry Remington.