# The Excel function: GAMMADIST

## Syntax

GAMMADIST(x,alpha,beta,cumulative)

The GAMMADIST function syntax has the following arguments (argument: A value that provides information to an action, an event, a method, a property, a function, or a procedure.):

**X**Required. The value at which you want to evaluate the distribution.**Alpha**Required. A parameter to the distribution.**Beta**Required. A parameter to the distribution. If beta = 1, GAMMADIST returns the standard gamma distribution.**Cumulative**Required. A logical value that determines the form of the function. If cumulative is TRUE, GAMMADIST returns the cumulative distribution function; if FALSE, it returns the probability density function.