# Definition:Floating Point Representation

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## Contents

## Definition

**Floating point** representation is a technique whereby numbers are held in a computer in standard scientific notation.

## Examples

### CRAY-1

In the CRAY-1 supercomputer, a number is held in **floating point representation** in a total of $64$ bits, of which $15$ bits hold the exponent.

## Sources

- 1986: David Wells:
*Curious and Interesting Numbers*... (previous) ... (next): $2^{86243} - 1$