Calculator Definition/Meaning:
A device, now usually electronic, by means of which arithmetic opera-lions
can be performed on numbers entered from a keyboard. Final solutions and
intermediate numbers are generally presented on LCD or LED
displays. Present-day calculators range from very cheap simple devices capable
of performing the basic arithmetic operations to those whose capabilities extend
to sophisticated mathematical and statistical manipulation and that may be
programmed with large numbers of steps. Add-on memory modules containing sets of
specialist programs for particular fields - engineering, navigation, or business
for example - may be purchased as accessories to the more expensive calculators,
as can small primers.
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