Floor Returns the largest whole number that is less than or equal to the given value. Syntax Floor(n) Parameters Parameter Description n Any numeric value or expression. Note: FormCalc follows the IEEE-754 international standard when handling floating point numeric values. For more information, see “Number literals”. Examples The following expressions are examples of using the Floor function: Expression Returns Floor(21.3409873) 21 Floor(5.999965342) 5 Floor(3.2 * 15) 48