php 大数据数学运算库

BCMath Arbitrary Precision Mathematics 

• BC Math Functions
  • 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 number
  • 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

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