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Blaise Pascal and Wilhelm Schickard one of those
There is no single mathematical formula and no single inventor. Furthermore, there are sometimes different (though equivalent) formulaefor the same calculation.
The first adding calculator machine was invented by Blaise Pascal.
Jhon Shepherd Barron
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Leonardo da Vinci. Experts mean the sketch does not really show an adding machine, but a ratio machine.
Blaise Pascal and Wilhelm Schickard one of those
The adding machine is actually a calculator. but in the mid 1642's it was called an adding machine. it was used to help with mathimatics
lathe machine hour
There is no single mathematical formula and no single inventor. Furthermore, there are sometimes different (though equivalent) formulaefor the same calculation.
Hiram Maxim
Alexander Bain
christopher solis
Cavemen, the wheel.
Hiram Maxim
Hiram Maxim
An adding machine is a mechanical or electromechanical calculator which could perform addition and subtraction.