Floating-point numbers can contain fractional parts.
Floating-point numbers can use exponential notation for added precision.
Floating-point numbers are made up of a decimal integer followed by a period (.) and the fractional portion of the number.
Exponential notation can be used by adding an e or E to the end of a floating-point number followed by a decimal integer that does not exceed 3 digits.
Use 1.0 not 1.
var fNum = 1.0;