# Documentation/Calc Functions/CHISQ.DIST

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## Function name:

CHISQ.DIST

## Category:

Statistical Analysis

## Summary:

Returns the probability density function or the cumulative distribution function for the chi-square distribution.

## Syntax:

CHISQ.DIST(**Number**; **DegreesFreedom**; **Cumulative**)

## Returns:

## Arguments:

**Number** is the chi-square value of the random sample used to determine the error probability.

**DegreesFreedom** are the degrees of freedom of the experiment.

**Cumulative** can be 0 or False to calculate the probability density function. It can be any other value or True to calculate the cumulative distribution function.

## Additional details:

## Examples:

=CHISQ.DIST(3; 2; 0) equals 0.1115650801, the probability density function with 2 degrees of freedom, at x = 3.

=CHISQ.DIST(3; 2; 1) equals 0.7768698399, the cumulative chi-square distribution with 2 degrees of freedom, at the value x = 3.