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

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Language of Math Concepts

Translating phrases to symbols, membership vs. subset, interval brackets, classifying real numbers, simplify/evaluate/solve, absolute value pitfalls, and logic notation — six in a row.

🎯 6 in a row 🚫 no clock

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