Maths in action

Concepts and theory, visualized. Simply, act to know.

A Galton board shows how a bell curve forms over time from simple random choices for a ball to go left or right.

This simulator runs fully in your browser, as a single HTML page.

• Download the source file, usually right click and "save link as".

• Drag-and-drop the downloaded file into a new tab in your browser.

  This loads the page and runs the code.

• Press spacebar a few times, maybe more, hold it down.

  Turn on your sound.

• To make changes visible only to you:

  • modify the downloaded file in your favorite editor
  • save and reload the tab in your browser