abs
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Absolute value
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sin, cos, tan
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Standard trigonometric functions; argument in radians
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acos, asin, atan
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Inverse trigonometric functions; return values in radians
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exp, log
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Exponential and natural logarithm, base e
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ceil
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Returns least integer greater than or equal to argument
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floor
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Returns greatest integer less than or equal to argument
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min, max
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Returns greater or lesser (respectively) of two arguments
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pow
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Exponential; first argument is base, second is exponent
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round
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Rounds argument to nearest integer
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sqrt
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Square root
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