Abacus was the first calculating machine invented to count large numbers. It was invented about 5000 years ago in china.
Napier’s bones is a manually-operated calculating device created by John Napier of Merchiston, Scotland for the calculation of products and quotients of numbers.
Pascal’s calculator is a mechanical calculator invented by Blaise Pascal in the mid 17th century
A difference engine, first created by Charles Babbage, is an automatic mechanical calculator
The Analytical Engine was a proposed mechanical general-purpose computer designed by English mathematician and computer pioneer Charles Babbage