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27 lines
932 B
Perl
27 lines
932 B
Perl
5 years ago
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atan2(Y,X) Returns the arctangent of Y/X.
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cos(EXPR)
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cos EXPR Returns the cosine of EXPR in radians. If EXPR is omitted, takes cosine of $_.
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exp(EXPR)
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exp EXPR Returns e to the power of EXPR. If EXPR is omitted, gives exp($_).
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int(EXPR)
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int EXPR Returns the integer portion of EXPR. If EXPR is omitted, uses $_.
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log(EXPR)
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log EXPR Returns logarithm (base e) of EXPR. If EXPR is omitted, returns log of $_.
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rand(EXPR)
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rand EXPR
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rand Returns a random fractional number between 0 and the value of EXPR.
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If EXPR is omitted, returns a value between 0 and 1.
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sin(EXPR)
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sin EXPR Returns the sine of EXPR in radians. If EXPR is omitted, returns sine of $_.
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sqrt(EXPR)
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sqrt EXPR Return the square root of EXPR. If EXPR is omitted, returns square root of $_.
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srand(EXPR)
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srand EXPR Sets the random number seed for the rand operator. If EXPR is omitted, does srand(time).
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