float ( expression )
returns float_value
Convert expression to a floating point (decimal) number. Float will convert a string or an integer to a decimal value. If the expression can not be converted then a zero will be returned.
Abs, Acos, Asin, Atan, Ceil, Cos, Degrees, Exp, Float, Floor, Int, Log, Log10, Radians, Rand, Sin, Sqr, Tan