mr.caculator
Willim Seward Burroughs was the first to create a working calculator.
In October 1961
1970
Curta calculator was created in 1948.
OK Calculator was created in 2002.
Nezarr the Calculator was created in 1977.
Graphing calculator was created in 1985.
Calculator - comics - was created in 1976.
Practical Astronomy with your Calculator was created in 1979.
Expensive Desk Calculator was created in 196#.
The first calculator was never launched, because it was in fact a mechanical calculator.
He created the first calculator at the age of 39.