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 Abs                            Absolute value of Var
 ArcTan                         Return arc tangent of Var
 Cos                            Return cosine of number
 Exp                            Returns exponential value of number
 Frac                           Returns fractional part of number
 Int                            Return the integer part of a number
 Ln                             Returns natural log of number
 Sin                            Returns sine of number
 Sqr                            Returns the square of number
 Sqrt                           Returns square root of number