Do I need to install anything?

No. It runs in any modern browser, free, with no account required.

For K-12 Students · Notebook

Notebook for the birthday paradox

Built for k-12 students learning it in middle or high school. Watch the idea come alive with plain-language steps and everyday examples — perfect for projects and homework. Simulate the birthday paradox live below — adjust the inputs and watch it respond, right in your browser.

Notebookcommands: diff · int · simplify · solve · det · inv · or any expression

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Frequently asked questions

Is this good for k-12 students?: Yes — this version of "Notebook for the birthday paradox" is framed for k-12 students learning it in middle or high school. Watch the idea come alive with plain-language steps and everyday examples — perfect for projects and homework.
Do I need to install anything?: No. It runs in any modern browser, free, with no account required.