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Statistical function

GAMMALN.PRECISE

Returns the natural logarithm of the gamma function with improved precision.

Rarely usedDifficulty 1500 · AdvancedUsage rank #399 of 520
Practice · 2 questions →

When to use it

GAMMALN with higher precision.

The shape of it

Syntax
=GAMMALN.PRECISE(x)

Worked examples

  • Small value

    =GAMMALN.PRECISE(5) 3.17805383

    LN(24).

  • Half

    =GAMMALN.PRECISE(0.5) 0.572364943

    LN of the square root of pi.

  • Ten

    =GAMMALN.PRECISE(10) 12.80182748

    LN(362880).

Worth knowing

  • Use it in any new formula; the results agree with GAMMALN to many digits.
  • Same rules: input must be positive.
  • Handy in likelihood calculations.

Where it goes wrong

  • #NUM! for non-positive input.
  • Not available in Excel 2007.

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