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# bcsub

(PHP 3, PHP 4 )

bcsub -- Subtract one arbitrary precision number from another

## Description

string bcsub ( string left_operand, string right_operand [, int scale])

Subtracts the `right_operand` from the `left_operand` and returns the result in a string. The optional `scale` parameter is used to set the number of digits after the decimal place in the result.

See also bcadd().

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