Take control of your data

• Drag the data or add some, or just select it. Every representation and calculation updates automatically.
• Drag and drop to build new graphs, tables, and collections.
• Easily change graph types, rescale axes, or zoom in to identify and outlier. Fit regressions lines and make residual plots automatically

Build simulations to explore mathematics, science, and social science

• Use sliders as variable parameters to fit functions to data.
• Use any of the more than 100 built-in functions, or create your own formulas.
• Define units for attributes, sliders, and formulas. Fathom converts units and does unit algebra automatically.

Investigate cool data

• Fathom comes with more than 300 data sets for you to explore, from science to arts to sports.
• Easily download data from the internet or import it from other programs.
• Enjoy access to U.S. census microdata from 1850 to 2000.
• Easily import data from source, such as the UK Census at School project from the Royal Statistical Society.