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| IEEE 754 Floating Point |
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| Storage |
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| ä | Used
on PCs, many larger machines (not all) |
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| ä | 32
bit single precision |
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| ä | Exponent
is biased, ie offset by a constant for hardware |
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| efficiency
reasons |
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| ä | 64
bit double precision |
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| ä | For
example |
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| 20.5937510 = .1010010011 x 25 |
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| Sign
is 0, exponent is 5 + 127 (bias)=132, leading 1 in |
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| mantissa
is not stored |
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