Willim Seward Burroughs was the first to create a working calculator.
CALCULATOR
A scientific calculator.
This depends on what function, and what TI calculator.
If you have a computer, you already have the calculator that is part of the computer's program.
does it have graph calculator
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#.
Cloudy Cloud Calculator was created on 1997-12-10.
mr.caculator
French Blaise Pascal
programaticly
To be more of a convenience for people.