# math coprocessor

## Definition

### Electronics

- An arithmetic-
__logic unit__ designed to perform floating-point operations. A CPU may have such a processor __incorporated__, or a second __chip__ may be utilized. Math coprocessors are especially useful when a computer performs sophisticated calculations, such as those frequently needed in CAD, spreadsheet, and scientific programs. Also spelled math co-processor. Also called floating-point processor, floating-point coprocessor, floating-point __unit__, or numeric processor.

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