## How to use the EXPON.DIST function

*Article updated on March 07, 2018*

The EXPON.DIST function returns the exponential distribution. Use EXPON.DIST to model the time between events.

Formula in cell C3:

### Excel Function Syntax

EXPON.DIST(*x*, *lambda*, *cumulative*)

### Arguments

x |
Required. The value of the function. |

lambda |
Required. The parameter value. |

cumulative |
Required. TRUE - cumulative distribution function, FALSE - probability density function. |

### Comments

Link to Wikipedia: Exponential distribution

### Functions in 'Statistical'

The EXPON.DIST function function is one of many functions in the 'Statistical' category.