Lo que todo programador debería saber sobre aritmética de punto flotante
fixed link
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content/basic.html
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content/basic.html
···
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represent a number like 1/3, so you have to round to something like
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0.33 - and you don't expect 0.33 + 0.33 + 0.33 to add up to 1, either - do you?
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Computers use [binary numbers](/binary/ because they're faster at dealing with
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+
Computers use [binary numbers](/formats/binary/) because they're faster at dealing with
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those, and because for most calculations, a tiny error in the 17th
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decimal place doesn't matter at all since the numbers you work with
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aren't round (or that precise) anyway.