GoLang bcsub

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PHP bcsub

PHP original manual for bcsub [ show | php.net ]

(PHP 4, PHP 5, PHP 7)

bcsub — Subtract one arbitrary precision number from another

string bcsub ( string $left_operand , string $right_operand [, int $scale = 0 ] )

Subtracts the right_operand from the left_operand.

left_operand: The left operand, as a string.
right_operand: The right operand, as a string.
scale: This optional parameter is used to set the number of digits after the decimal place in the result. If omitted, it will default to the scale set globally with the bcscale() function, or fallback to 0 if this has not been set.

The result of the subtraction, as a string.

Example #1 bcsub() example


<?php

$a = '1.234';
$b = '5';

echo bcsub($a, $b);     // -3
echo bcsub($a, $b, 4);  // -3.7660

?>