Float built-in type Float built-in type. Cast a [bool] value to a floating point value, [code]float(true)[/code] will be equals to 1.0 and [code]float(false)[/code] will be equals to 0.0. Cast an [int] value to a floating point value, [code]float(1)[/code] will be equals to 1.0. Cast a [String] value to a floating point value. This method accepts float value strings like [code] '1.23' [/code] and exponential notation strings for its parameter so calling [code] float('1e3') [/code] will return 1000.0 and calling [code] float('1e-3') [/code] will return -0.001.