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Floating-Point Numbers

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;