Are the 9th class notes based on the PCTB textbook?

Yes. Every note is mapped chapter-by-chapter to the exact PCTB textbook used by Punjab Board and FBISE, in the wording your examiner expects.

Do the 9th class notes work offline?

Yes. Once downloaded in the Calibre app, all definitions, short and long questions, and MCQs work without internet.

School pilot live across Lahore · Karachi · Islamabad · MultanBring it to yours◆5,421 PCTB definitions mapped chapter-by-chapter across 33 books◆34,000+ MCQs reviewed by working Pakistani teachers◆Works fully offline — built for prepaid data and load-shedding◆Now live on Google Play — closed beta testing in progress◆100+ schools in the pilot — apply to bring Calibre to yoursApply◆Smart Tools per subject · Coach · Mistake Tracker · all rupee-priced◆Built in Pakistan, for every Pakistani student◆School pilot live across Lahore · Karachi · Islamabad · MultanBring it to yours◆5,421 PCTB definitions mapped chapter-by-chapter across 33 books◆34,000+ MCQs reviewed by working Pakistani teachers◆Works fully offline — built for prepaid data and load-shedding◆Now live on Google Play — closed beta testing in progress◆100+ schools in the pilot — apply to bring Calibre to yoursApply◆Smart Tools per subject · Coach · Mistake Tracker · all rupee-priced◆Built in Pakistan, for every Pakistani student◆

Calibre

9th Class Notes — All Subjects

Complete, chapter-wise 9th class notes for Punjab Board and FBISE — definitions, short and long questions, and MCQs, all mapped to your PCTB textbook and written in the exact form examiners want. Study online or fully offline in Calibre.

Start free trial →9th class past papers

Notes by subject

Physics

Kinematics, dynamics, work & energy — definitions + solved numericals.

Chemistry

Atomic structure, bonding, periodic table — every key term.

Biology

Cell, biodiversity, enzymes — exam-ready definitions.

Mathematics

Algebra, matrices, geometry — formulas and worked examples.

Computer Science

Binary, algorithms, intro programming.

English

Grammar, vocabulary, short-answer models.

Notes that match your paper, not a foreign book

Most free notes online are generic or copied. Calibre's 9th class notes are built directly against the PCTB textbook your school teaches from, with each definition phrased the way the board marking scheme rewards. Practise the matching MCQs right after reading, and let the Mistake Tracker re-drill what you miss.

All 9th class notes free for 7 days

No card needed. Definitions, short + long questions, MCQs — offline.

Start free trial →

Class 9 full prep 9th class past papers 10th class notes Pricing