Topic Courses
Learn every topic, from basics to mastery.
Structured lessons organized by 9758 syllabus topics. Read the concept, work through examples, and chat with AI when you're stuck.
Vectors — Foot of the Perpendicular
more_vert Let l be the line with equation r = a + λb
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PRO Covering the full 9758 syllabus
Each topic is broken into bite-sized lessons with examples and exercises.
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Functions & Graphs
menu_book 12 lessons
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Vectors
menu_book 12 lessons
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Calculus — Differentiation
menu_book 15 lessons
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Calculus — Integration
menu_book 14 lessons
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Complex Numbers
menu_book 8 lessons
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Probability & Statistics
menu_book 18 lessons
How courses work
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Structured Lessons
Each topic is broken into sequential lessons — concept, examples, then practice.
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Linked Exercises
Every lesson includes practice questions linked to the concept you just learned.
PRO
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AI Tutor Chat
Stuck on a concept? Ask AI questions inline and get explanations in real-time. (Pro tier)
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Progress Tracking
Track lesson completion and see your progress across all topics.
What you get in each tier
| Feature | Free | Plus | Pro |
|---|---|---|---|
| View course list | check_circle | check_circle | check_circle |
| Access lessons | First 3 courses | All courses | All courses |
| Lesson content & examples | check_circle | check_circle | check_circle |
| Linked exercises | check_circle | check_circle | check_circle |
| Progress tracking | check_circle | check_circle | check_circle |
| AI tutor chat | cancel | cancel | check_circle |
| AI concept explanations | cancel | cancel | check_circle |
| Sign up free | Choose Plus | Choose Pro |