Computer History - engold.ui.ac.irengold.ui.ac.ir/~p_moallem/ComputerHistory.pdf · The Babylonians...
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Computer History - engold.ui.ac.irengold.ui.ac.ir/~p_moallem/ComputerHistory.pdf · The Babylonians used the oldest surviving abacus. ... used for calculating. 1642 Blaise Pascal