argumentlist = any combination of numbers, cells, or ranges where each value is not equal to 0
HMEAN returns the harmonic mean of its arguments. Blank cells and cells containing strings are not counted.
The function is given by:
HARMEAN is a synonym for HMEAN.
HMEAN(F10..F15) = 3.0434783, where F10..F14 = 2, 2, 3, 6, and 7
HARMEAN(C1..C5) = Error - HARMEAN, operand equal to 0, where C4 = 0
Excel function: HARMEAN