Tough question. The sarcastic answer would be your brain but I don't think that is what you want as an answer. If you are talking about a non-electric, mechanical machine that can add, then the first such machine would be an abacus. This was generally used in East Asian countries
The First portable computer was Osborn-1
The first electronic computer was called the ENIAC (Electronic Numerical Integrator and Computer).
Tennis For Two was the first computer game.
What was the name of the first computer that co-starred in a major motion picture?
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The last famous electromechanical computer was:
The name of the first micro computer is a micro computer
The first digital computer was called ENIAC
The First portable computer was Osborn-1
Charles Babbage's adding machine in the nineteenth century
PARAM PADMA is the name of the first super computer.
mr. computer
The first electronic computer was called the ENIAC (Electronic Numerical Integrator and Computer).
Abacus
Wkonrad zuse made the first working computer
Tennis For Two was the first computer game.
What was the name of the first computer that co-starred in a major motion picture?