Dagger is a tool for quantitative modelling with uncertainty.

There are two ways to specify your model:

Spreadsheet

You can no longer create new simulations with spreadsheet input. Instead, use my new product Carlo — it works on the same principle but is redesigned from the ground up. Open Carlo

Bring your existing spreadsheet — we'll import your calculation

Probly

A simple Python-like language for probabilistic estimation

New simulation Start with an example