XI is the year toppers separate from the rest.
Every concept you lock in XI saves you weeks in XII. The chapter reader, premium MCQ bank, Smart Tools and Definitions Hub end every chapter with teacher-quality understanding.


Every tool you open, built for this exact paper.
Pre-Med and Pre-Eng covered in one app. Twelve Smart Tools means you never just read — you build.
Definitions Hub
1,247+ PCTB definitions across Bio, Phys, Chem, Math, Eng, Urdu. Examiner-ready phrasing — the same answer they want on paper.
Smart Tools (×12)
Formula Hub · Reaction Library · Concept Builder · Flashcards · Mole Studio · Vector Resolver · and 6 more.
Daily Pill
One formula + one concept + one MCQ daily. Three minutes a day compounds across two years.
The Coach
Picks your weakest chapter weekly. 30-min daily plan with mixed subjects and a clear streak goal.
MCQ Bank
Tens of thousands of chapter-tagged MCQs across all 6 subjects. Past-paper-flagged.
Inside the app, for this path.
Biology XI
305 definitions · 12 chapters · full PCTB.
Physics XI
227 definitions · 11 chapters · with LaTeX formulas.
Chemistry XI
218 definitions · 11 chapters · industrial coverage.
Math XI
202 definitions · 14 chapters · trigonometry-heavy.
English / Urdu XI
PCTB literature + grammar + composition banks.
Formula Hub
Every formula in your books, searchable, bookmarkable.
Concept Builder
Tricky topics broken into 5 facts each.
Flashcards
SM-2 spaced repetition for every key term.
Daily Pill
One formula + one concept + one MCQ daily.
Seven days. Under thirty minutes each.
Build year — concepts over speed. Coach picks two chapters; you go deep, not wide.
Bio chapter read
Chapter reader + Definitions Hub
Phys formulas
Formula Hub + Concept Builder
Chem mole studio
Mole Studio + Reactions Library
Math practice
Worked examples + 20 MCQs
Eng / Urdu literature
Composition Bank + key terms
Coach weak-chapter
Topic deep-dive + 50 MCQs
Flashcard review
SM-2 spaced repetition
Your real exam pattern, spelled out.
Punjab Board Intermediate Part 1 paper pattern across the sciences (75 + 15 + 10 split typical).
Objective MCQs
Full chapter-tagged MCQ bank with past-paper flags.
Short Answer Qs
Every PCTB short Q with model answers + definition library.
Long / Extensive Qs
All long Q with stepwise structure + topper-style answers.
Practical exam
Practical SOPs + viva question banks for Bio/Phys/Chem.
Streams supported
Both stream subject combinations wired in one app.
Every chapter. Every paper.
Cell · biomolecules · enzymes · plant physiology
Mechanics · waves · thermodynamics · optics
Stoichiometry · atomic structure · gases · liquids
Trig · vectors · differentiation · matrices
PCTB + PECTAA · prose · poetry · composition
Nasr · nazm · pairing scheme · summary
Why FSc XI students pick Calibre over an academy.
No shade on good teachers — but the maths of a monthly app vs hourly tuition is hard to argue with.
Calibre
monthly · works for every student
Tuition / Tutor
hourly · works for whoever shows up
All 6 PCTB subjects (Pre-Med or Pre-Eng) in one app.
Academy covers 3–4 sciences, English/Urdu skipped.
12 tools including Mole Studio + Vector Resolver.
Whiteboard + photocopies.
Open anytime, Coach paces 30 min/day.
Fixed schedule, miss one class = miss the chapter.
₨3,499 yearly (₨292/mo) — all 6 subjects.
₨50,000–1,50,000/yr for an FSc academy + books + transport.
The maths
A tutor costs more in a week than Calibre costs in a year.
Calibre
₨249/mo
all 6 subjects · 12 months · ₨2,988/yr
Average tutor
₨2,500/hr
3 hrs/week × 4 wk = ₨30,000/mo
