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This is roughly about how the first calculator looked, The BC100 Antikythera Mechanism; an old bronze stone table. Sorry, but the date is wrong because it wouldn't let me put the right date.
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The first mechanical calculator.
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Used for multiplication and is based on the numerical scheme known as the Arabian lattice.
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This machine/calculator is used for probability and was made by Pascal.
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First succesfull key-driven adding and calculating machine.
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The first desktop calculator.
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The fisrt solar powered calculator and the first credit card sized calculator.
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The Ti-30 Calculator function on a 9-volt battery and one chip and done a little more than most calculators.
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The Ti-80 Calculator was one of the best graphing handheld calculator.
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The Ti-83 Plus is now even better than almost any handheld graphing and mapping calculator.
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The One-of-A-kind Ti-84Plus graphing calculator is the number one handheld calculator used today.
