Standard C Math
  
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      | abs | 
      absolute value | 
    
    
      | acos | 
      arc cosine | 
    
    
      | asin | 
      arc sine | 
    
    
      | atan | 
      arc tangent | 
    
    
      | atan2 | 
      arc tangent, using signs to
      determine quadrants | 
    
    
      | ceil | 
      the smallest integer not less than
      a certain value | 
    
    
      | cos | 
      cosine | 
    
    
      | cosh | 
      hyperbolic cosine | 
    
    
      | div | 
      returns the quotient and remainder
      of a division | 
    
    
      | exp | 
      returns "e" raised to a
      given power | 
    
    
      | fabs | 
      absolute value for floating-point
      numbers | 
    
    
      | floor | 
      returns the largest integer not
      greater than a given value | 
    
    
      | fmod | 
      returns the remainder of a
      division | 
    
    
      | frexp | 
      decomposes a number into scientific
      notation | 
    
    
      | labs | 
      absolute value for long
      integers | 
    
    
      | ldexp | 
      computes a number in scientific
      notation | 
    
    
      | ldiv | 
      returns the quotient and remainder
      of a division, in long integer form | 
    
    
      | log | 
      natural logarithm (to base e) | 
    
    
      | log10 | 
      common logarithm (to base 10) | 
    
    
      | modf | 
      decomposes a number into integer
      and fractional parts | 
    
    
      | pow | 
      returns a given number raised to
      another number | 
    
    
      | sin | 
      sine | 
    
    
      | sinh | 
      hyperbolic sine | 
    
    
      | sqrt | 
      square root | 
    
    
      | tan | 
      tangent | 
    
    
      | tanh | 
      hyperbolic tangent |