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Numeric functions

Square root function

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Perl functions A-Z | Perl functions by category | The 'perlfunc' manpage
  • sqrt EXPR

  • sqrt

    Return the positive square root of EXPR. If EXPR is omitted, uses$_. Works only for non-negative operands unless you'veloaded the Math::Complex module.

    1.  use Math::Complex;
      2.  
    2.  print sqrt(-4); # prints 2i
      3.
 
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(Sebelumnya) Return the sine of a numberSeed the random number generator (Berikutnya)