# Manuals/calci/HARMONICSERIES

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**HARMONICSERIES (Start,Numbers,OnlyNth)**

- are any positive integer .
- is the number of the series.
- is the Nth term of the series.

## Description

- This sfunction displays the Harmonic series of the numbers.
- A series is an expression with an infinite number of terms, like this:
- This is the divergent infinite series.
- In HARMONICSERIES(Start,Numbers,OnlyNth),Start is the beginning number of the series, Numbers is number of the number in the series and OnlyNth is the nth term of the Harmonic Series.
- Every term of the series after the first is the harmonic mean of the neighboring terms.
- The phrase harmonic mean likewise derives from music.

## Examples

- HARMONICSERIES(3,10,4) = 0.3333333333333333
- HARMONICSERIES(189,20,18) = 9.947368421052632

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## See Also

## References