GAMMA.INV

GAMMA.INV(probability, alpha, beta)

Returns the inverse of the cumulative probability function for a gamma distribution.

probability	The probability associated with the distribution.
alpha	The first parameter to the distribution.
beta	The second parameter to the distribution.

REMARKS

* This function was added in Excel 2010 to replace the GAMMAINV function.
* The gamma distribution is a [[continuous distribution]]
* You can use the GAMMA.DIST function to
* You can use the GAMMA function
* For the Microsoft documentation refer to support.microsoft.com
* For the Google documentation refer to support.google.com

	A
1	=GAMMA.INV(0.068094,9,2) = 10.00
2	=GAMMA.INV(0.5,4,2) = 7.34
3	=GAMMA.INV(0.068,4,2) = 3.04
4	=GAMMA.INV(GAMMADIST(7,5,1,TRUE),5,1) = 7.00
5	=GAMMA.INV(GAMMADIST(0.5,4,2,TRUE),4,2) = 0.50
6	=GAMMA.INV(0.5,4,2) = 7.34
7	=GAMMA.INV(0.5,-9,2) = #NUM!
8	=GAMMA.INV(-2,9,2) = #NUM!
9	=GAMMA.INV(-2,"some text",2) = #VALUE!