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ExcelExcel 2010+

GAMMALN.PRECISE function in Excel

Returns the natural logarithm of the gamma function, Γ(x)

=GAMMALN.PRECISE(x)

GAMMALN.PRECISE syntax and parameters

One argument, one required.

  • xnumberRequired

    The value for which you want to calculate GAMMALN.PRECISE.

GAMMALN.PRECISE examples

Formulas you'll actually reuse.

  1. ln Γ(x) for x = 6:

    =GAMMALN.PRECISE(B2)

    Result4.7875

  2. A huge binomial coefficient without overflow — log space, then EXP:

    =EXP(GAMMALN.PRECISE(B2 + 1) - GAMMALN.PRECISE(C2 + 1) - GAMMALN.PRECISE(B2 - C2 + 1))

    Result13983816

GAMMALN.PRECISE in Google Sheets

Same name — your formula ports as-is.

Try GAMMALN.PRECISE in the playground

Edit the example — nothing to install.

Preloaded with the GAMMALN.PRECISE formula from Example 1 — change anything and watch it respond.

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