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PHP-函数 BCMath


bcadd — Add two arbitrary precision numbers
bccomp — Compare two arbitrary precision numbers
bcdiv — Divide two arbitrary precision numbers
bcmod — Get modulus of an arbitrary precision number
bcmul — Multiply two arbitrary precision numbers
bcpow — Raise an arbitrary precision number to another
bcpowmod — Raise an arbitrary precision number to another, reduced by a specified modulus
bcscale — Set default scale parameter for all bc math functions
bcsqrt — Get the square root of an arbitrary precision number
bcsub — Subtract one arbitrary precision number from another

PHP-函数
PHP-函数 BCMath