# Difference between revisions of "Documentation/How Tos/Calc: WEIBULL function"

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## Revision as of 12:32, 17 May 2010

## WEIBULL

Calculates values for a Weibull distribution.

### Syntax:

**WEIBULL(x; k; λ; mode)**

- The Weibull distribution is a continuous probability distribution, with parameters
> 0 (shape) and**k**> 0 (scale).**λ**

### Example:

**WEIBULL(2.5; 3; 4; 1)**

- returns approximately
, the value of the probability density function with**0.2166**=**k**and**3**=**λ**at**4**=**x**.**2.5**

**WEIBULL(2.5; 3; 4; 0)**

- returns approximately
, the value of the cumulative distribution function with**0.2295**=**k**and**3**=**λ**at**4**=**x**.**2.5**