in 1902 by Charles calculus
Depends on whatever you wan't build it for the computer, or build it completely from hardware.You can very easily create your own calculator for PC with Visual Basic 2010. And for Mac you can use xCodeFor the hardware version Google:"How to build a calculator +electronics"
The first calculator was never launched, because it was in fact a mechanical calculator.
Blaise built the calculator in france in a town called rouen.
The very first calculator ever used could be an abicus, an electronic calculator, or even your brain. The first calculator invented was the abacus.
Blaise Pascal
No, it wasn't. The first calculator was called the pascaline.
who invented the first mechanical digital calculator
the chinese and it is for counting. it is the original calculator
abacus Casio made the first graphing calculator in 1985.
Did I pass what at first attempt?
A confederation
a windmill