# Harmonic Average

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## Harmonic Average

In mathematics, an average used primarily for calculating an average rate, such as an average interest rate. It is calculated as the reciprocal of an arithmetic mean with inverse values. It is also known as the harmonic mean.
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where H and G stands for harmonic mean and geometric mean respectively.
where H and A stands for Harmonic mean and Arithmetic mean respectively.
From definitions of harmonic mean and geometric mean, consider
and by double clicking we can edit the z0 to h the harmonic mean, as shown in Figure 8.
Therefore the geometric mean g is always greater than or equal to the harmonic mean h.
From the locus curves he found the equations of the curves and we can see that the arithmetic mean generates a linear locus, the geometric mean generates a parabola and the harmonic mean a hyperbola.
Now, if we consider the harmonic mean He(n) of the exponential divisors [d.
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