Sindh Curriculum · Grade XI · Sindh Board (BIEK Karachi)

Mathematics XI

A maths course you can manipulate, by MeraProfessor. Every chapter is built on one master interactive — for Trigonometry it's the Unit Circle Engine. Three surfaces per chapter: a 3D Lecture story, a real-data Walkthrough, and an exam-pattern Practical — with TutorAI on every page.

📐 Trigonometry live 🎬 3 surfaces / chapter 📱 Mobile-first · touch 🤖 TutorAI on every page

Chapter list

Click any READY surface to open it; COMING SOON surfaces show the planned structure.
Three surfaces per chapter: 🎬 Lecture — the 3D story + Explore· 🎤 Walkthrough — fit real data· 🧪 Practical — exam-pattern drill   READY COMING SOON
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Exam Centre — BIEK Trigonometry
Predict the paper + sit a full auto-marked mock from the standard BIEK XI trig scope
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Exam Predictor
Topic-frequency guess paper across the question bank
READY
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Practice Exam
A full mock — MCQs auto-marked with worked reasons
READY
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Ask-AI per Question
Chat with TutorAI about any exam question
READY
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Test Preparation Centre — Engineering Entry Tests
Maths is the biggest section in every engineering test — train for it exactly as the real tests weigh it
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Enter the Test Preparation Centre
ECAT · NUST · FAST maths · daily practice · subject tests · merit calculator · AI tutor on every question
READY

Master plan: the Trigonometry chapter is the template. Each chapter's surfaces live under /d3-lessons/maths-course/chapters/<chapter>/{lecture,walkthrough,practical}.html and share one engine layer in lib/. To add a chapter, see CLONE.md.