Statistical Library

9 Distributions.
Zero Formulas.

Every distribution includes a live Monte Carlo calculator running 10,000 simulations in your browser. Pick one, tune the parameters, install MonteSheet to bring it into your spreadsheet.

Continuous
6
Normal Distribution normal
continuous

The bell curve that powers every financial forecast.

financeoperations
Log-Normal Distribution lognormal
continuous

For anything that can't go below zero — prices, durations, deal sizes.

financeengineering
Triangular Distribution triangular
continuous

Minimum, most likely, maximum — the analyst's fast estimate.

project managementpopular
PERT Distribution pert
continuous

The project manager's secret weapon.

project managementpopular
Uniform Distribution uniform
continuous

Every outcome equally likely — maximum uncertainty.

beginneroperations
Beta Distribution beta
continuous

Model probabilities, percentages, and win rates.

financemarketing
Discrete
3
Poisson Distribution poisson
discrete

Count how many times something rare will happen.

operationsengineering
Bernoulli Distribution bernoulli
discrete

Binary outcomes: win or lose, ship or slip, pass or fail.

financesales
Discrete Uniform Distribution discrete-uniform
discrete

Equal odds across a fixed set of whole-number outcomes.

beginneroperations