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Aristo M400

The Aristo M400 is a scientific calculator with 8 digits precision and algebraic logic. It has 7 functions, 24 keys and one of the early LCD (liquid crystal) displays which incorporated a yellow filter. The power source is 4x1.5V cell.

Facts at a glance:

Type Scientific
Functions 7
Keys 24
Precision 8
Logic Algebraic
Display type YLCD
Display size
Printer
Length unknown mm
Width unknown mm
Thickness unknown mm
Weight unknown g
Power Source 4x1.5V cell
Country
Original price unknown
Est. current value unknown
Year introduced 1975
Year discontinued

See other calculators manufactured by Aristo.