*Single Precision (one 36-bit word) floating point*:

IBM 7090/7094 floating point single
precision: |
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Sign Bit | Exponent (bias: 128_{10}) |
Fraction: bit 10 is the most significant |

*Double Precision (two 36-bit words) floating point:*

Double Precision (72 bits): First
36-bit Word: |
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Sign Bit | Exponent (bias: 1024_{10}) |
Fraction (First, most significant part): bit 13 is the most significant |

Double Precision (72 bits): Second
36-bit Word: |
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3 | 4 |
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Fraction (Second, less significant part): bit 1 is the most significant bit in this word |

EXPONENT (**E**): To the base 2, with a bias in the single precision
floating point of 128 decimal (200 octal), and in the double precision
floating point of 1024 decimal (2000 octal).

FRACTION: Has no hidden bit.

NEGATIVES: No complement.

The value of the number **N** is **N** = **F x 2 ^{E-128}**
(Single precision), or

INTEGERS: 2's complement.-34,359,738,368 to +34,359,738,367