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Your progress
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Weakest topics (click to drill)
Mock exam history
Quick reference — the patterns to have in your head
Settings
Progression mode
Guided gates each unit behind the previous one's mastery (the course's own card order). Free practice opens everything.
Ease-in difficulty ramp
Within a unit, start with concept questions, then syntax patterns, tracing, writing, debugging, and design. A tier opens once you've recalled most of the tier below. Turn off to see every type at once.
Recalls to master a question
A question only counts as mastered after this many "got it" grades in a row.
Mastery needed to unlock the next unit
Earlier units keep mixing in afterward, especially questions you've missed.
Save / restore progress
Progress lives in this browser. Export a backup, or move it to another machine.
Built for offline use — no internet required. Questions come from the course's own question bank (data/yaml).