Şunu aradınız:: geomean (Türkçe - İngilizce)

geomean( a1: a5)
geomean(a1: a5)

geomean (değer; değer;...)
geomean(value; value;...)

geomean( 21; 33; 54; 23), 30. 45886 değerini gönderir
geomean(21; 33; 54; 23) returns 30.45886

geomean verilen değerlerin geometrik ortlamasını alır. bu tüm değerlerin çarpıının n' inci kökünü almakla aynı işlemdir.
the geomean() function returns the geometric mean of the given arguments. this is equal to the nth root of the product of the terms.

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avedev, average, averagea, betadist, betainv, bino, chidist, combin, combina, confidence, correl, covar, devsq, expondist, fdist, finv, fisher, fisherinv, frequency, gammadist, gammainv, gammaln, gauss, geomean, harmean, hypgeomdist, intercept, invbino, kurt, kurtp, large, legacyfdist, loginv, lognormdist, median, mode, negbinomdist, normdist, norminv, normsdist, normsinv, pearson, permut, phi, poisson, rank, rsq, skew, skewp, slope, small, standardize, stdev, stdeva, stdevp, stdevpa, steyx, sum2xmy, sumproduct, sumx2my2, sumx2py2, sumxmy2, tdist, trend, trimmean, ttest, var, vara, variance, varp, varpa, weibull, ztest