Returns the harmonic mean of the specified number(s), which is the number of terms divided by the sum of the terms' reciprocals.

**harmean**( *number*, … )

*number*: (Decimal Array) Numbers over which to calculate the harmonic mean.

Decimal

Use this function for the average of rates.

You can experiment with this function in the test box below.

Test Input

`harmean(1,2,3)`

returns `1.636364`

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