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Float Formate
| Bits | Norm | leer | Exponent | Mantisse | Verwendung |
| 32 | IEEE-754 | | 1+8 Bit | 23 Bit | C, C++ |
| 40 | | | 1+7 Bit | 32 Bit | C64 ROM |
| 64 | IEEE-754 | | 1+11 Bit | 52 Bit | C, C++ |
| 64 | | | 1+15 Bit | 48 Bit | Cray FP64WF |
| 80 | IEEE-754 | | 1+15 Bit | 64 Bit | C, C++, 80x87 intern |
| 96 | | 16 Bit | 1+15 Bit | 64 Bit | x86 DEF |
| 128 | IEEE-754 | | 1+15 Bit | 112 Bit | Sparc |
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