Master programming fundamentals through active recall, spaced repetition, and AI-scaffolded learning. When you complete a Gradual course, it means something.
Clear explanations and worked examples teach each concept. AI can preview, explain differently, or help you debug your thinking.
Practice problems test your understanding without AI assistance. You must pass to unlock the next concept. No shortcuts.
Spaced repetition schedules reviews at optimal intervals. Your knowledge sticks because you practice retrieving it over time.
AI can preview, explain, and debug. But you do the thinking. Mastery checks are sacred - no AI assistance. Ever.
We calibrate difficulty, not eliminate it. Productive struggle builds durable knowledge that passive consumption never could.
Completion equals demonstrated mastery of every concept. No shortcuts. No exceptions. Your certificate proves real skills.
Mobile-first. Offline-capable. Equitable pricing. World-class learning for anyone with curiosity and determination.
Begin with Programming Fundamentals - 63 concepts, ~35 hours, completely free to start.