Syntax: @RMS(argumentlist)
argumentlist = any combination of numbers, cells, or ranges
@RMS returns the square root of the mean of squares of its arguments. Blank cells and cells containing strings are not counted. The function is given by:
Examples:
@RMS(2, 2, 3, 6) = 3.6400549
@RMS(H8..H11) = 97.3413, where H8..H11 are 96, 97, '', and 99
@RMS(D1..D6) = 48.72029, where D1..D6 = 4, 56, 33, 100, 0, and -1