legacy form of GAMMA.INV · from excel · excel: not yet compared · sheets: not yet compared

signature

GAMMAINV(probability, alpha, beta)

returns: number

argument	required
probability	required
alpha	required
beta	required

examples

formula and result, taken from the engine's own test suite — every result below is asserted in CI, not written by hand.

related

• AVEDEV average of absolute deviations from the mean
• AVERAGE.WEIGHTED average of values weighted by a second range
• AVERAGEA averages values including text and logicals
• AVERAGEIF averages cells that match a condition
• AVERAGEIFS averages cells matching multiple conditions
• BETA.DIST beta distribution