Calculates the Probability Density Function (PDF) and Cumulative Density Function (CDF) of the exponential distribution as well as the mean, variance, standard deviation, and entropy.

This calculator has 2 inputs.

This calculator has 2 inputs.

- ƒ(x,λ) = λe
^{-λx} - F(x,λ) = 1 - e
^{-λx} - μ = 1/λ
- Median = Ln(2)/λ
- σ
^{2}= 1/λ^{2} - Entropy = 1 -Ln(λ)

For more math formulas, check out our Formula Dossier

- density
- The compactness measure of an object
- distribution
- value range for a variable
- entropy
- refers to disorder or uncertainty
- exponential
- of or relating to an exponent
- exponential distribution
- probability distribution that describes the time between events in a Poisson point process
- mean
- A statistical measurement also known as the average
- standard deviation
- a measure of the amount of variation or dispersion of a set of values. The square root of variance
- variance
- How far a set of random numbers are spead out from the mean