Skip to content
Free public beta until December 4, 2026: every course is open, no card needed. After that, the first chapter of each course stays free and full access is a one-time $39 ($19 for up to 100 founding members chosen for helpful feedback). Your progress is kept. How the beta works
🔗

Mutual Information & Divergence Sprint

Read a joint table for I(X;Y), or compare two point distributions with D(P||Q) -- both built from the same log-ratio sum.

⏱️ 120s
▶ Log in to play

← Back to the arcade