The
Handheld Calculator
Sharp
ELSI-811 Electronic Calculator and AC Adapter (1972). This was one
of the first electronic calculators on the US market to take advantage
of microprocessor technology. Calculators of this era set the tone
for the rapid improvements in computer technology. This calculator
has only four functions ( +, -, *, / ), but the first scientific calculator
was created in the same year by Hewlett-Packard.
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