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Radio Shack EC-21 Blackjack 21

The Radio Shack EC-21 Blackjack 21 is an arithmetic calculator with 10 digits precision and algebraic logic. It has 6 functions, 23 keys and an LCD (liquid crystal) display.

Facts at a glance:

Type Arithmetic
Functions 6
Keys 23
Precision 10
Logic Algebraic
Display type LCD
Display size
Printer
Length unknown mm
Width unknown mm
Thickness unknown mm
Weight unknown g
Power Source
Country
Original price unknown
Est. current value unknown
Year introduced 1985
Year discontinued

See other calculators manufactured by Radio Shack.