abacus
I'd say it was a calculator
The name of the first commercially available electronic digital computer is UNIVAC.
calculator and human computers used them.
That was a computer called ENIAC,but first machine was a calculator.
abacus is the first manual mechanical calculator
The first electronic and digital computer is the Mark 1 Machine (also known as "Automatic Sequence Controlled Calculator").
Made by Charles Babbage and evloved into a calculator
If you have a computer, you already have the calculator that is part of the computer's program.
The country that was the first to use the computer was Germany. This computer was a binary calculator and was used to complete mathematical computations. The first computer used for breaking codes was used in England.
The first pocket calculator is called theCurta. More:The inventors name is Clif Stoll.
It is known as computer rather than a calculator as the calculator performs functions with numbers whereas; a computer performs functions with not only numbers but encoding of computer language.
The magnetic drum calculator was the first general purpose computer developed in 1953. It is also called The IBM 650.