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C for Beginners

Learn C from a blank file to functions, pointers, and strings through short programs you compile and run yourself.

CSE Foundations

• 01From source file to running program
• 02The parts of a C program
• 03Variables, types, and values
• +21 more notes

C++ for Beginners

Learn C++ by building small programs, then use functions, classes, and the standard library to organize them.

CSE Foundations

• 01How C++ becomes a program
• 02The shape of a C++ program
• 03Variables, types, and constants
• +21 more notes

Java for Beginners

Learn Java from a first compile and run through variables, decisions, loops, collections, methods, and small classes.

CSE Foundations

• 01How Java runs and how to get set up
• 02Your first program, line by line
• 03Variables and primitive types
• +21 more notes

Start JavaScript from zero: run it in the console, work with values and functions, organise data with arrays and objects, then touch the browser and fetch real JSON.

CSE Foundations

• 01Values, variables and scopes
• 02Types and coercion
• 03Operators and expressions
• +21 more notes

Python for Beginners

Start Python from zero: the shell, names, numbers, strings, lists, conditionals, loops and functions.

PythonCSE Foundations

• 01Running Python
• 02Variables and names
• 03Numbers and operators
• +21 more notes

A beginner course on relational databases and SQL. It starts with tables and keys, then reads data with SELECT, filtering, sorting, limiting, DISTINCT, aliases and NULL semantics.

• 01Important topics: Databases and SELECT
• 02How a SELECT query is processed
• 03Practice questions: databases and SELECT
• +12 more notes

Class 8 Mathematics Part 1

Class 8 Mathematics Part 1 notes for the NCERT Ganita Prakash textbook, with worked examples, every Figure it Out exercise and exam-style revision.

CBSE Class 8

• 01Concepts: A Square and a Cube (part 1)
• 02Methods and worked examples: A Square and a Cube
• 03Exercise practice 1: A Square and a Cube
• +43 more notes

Class 8 Mathematics Part 2

Class 8 Mathematics Part 2 notes for the NCERT Ganita Prakash textbook, with worked examples, every Figure it Out exercise and exam-style revision.

CBSE Class 8

• 01Concepts: Fractions in Disguise (part 1)
• 02Methods and worked examples: Fractions in Disguise
• 03Exercise practice 1: Fractions in Disguise
• +43 more notes

Class 8 Science

CBSE Class 8 Science notes for the new NCERT Curiosity textbook: investigations, living world, health, electricity, forces, matter, light and Earth.

CBSE Class 8

• 01Science begins with a question
• 02A year of investigations ahead
• 03Case study: why is one side of a puri thinner?
• +62 more notes

Class 11 Biology

Class 11 Biology notes for the NCERT Biology textbook: diversity of living organisms, plant and animal structure, cells, plant physiology and human physiology with labelled textbook figures and previous-year questions.

CBSE Class 11

• 01Concepts: What is living and why classification matters
• 02Concepts: Nomenclature and identification
• 03Concepts: Taxonomic categories and the hierarchy
• +116 more notes

Class 11 Chemistry Part 1

Class 11 Chemistry notes for the NCERT Chemistry Part 1 textbook: atomic structure, periodicity, bonding, thermodynamics and equilibrium with textbook figures, previous-year questions and quick checks.

CBSE Class 11

• 01Formula sheet: Some Basic Concepts of Chemistry
• 02Concepts: nature of matter and measurement
• 03Concepts: chemical combination, atomic mass and the mole
• +39 more notes

Class 11 Chemistry Part 2

Class 11 Chemistry notes for the NCERT Chemistry Part 2 textbook: redox reactions, organic chemistry basics and hydrocarbons with textbook figures, previous-year questions and quick checks.

CBSE Class 11

• 01Formula sheet: Redox Reactions
• 02Concepts: classical and electron transfer views of redox
• 03Concepts: oxidation number rules and calculations
• +17 more notes

Class 11 Mathematics

Class 11 Mathematics notes for the NCERT Mathematics textbook: chapter-wise notes, worked examples, formula sheets, textbook figures, previous-year questions and quick checks.

CBSE Class 11

• 01Formula sheet: Sets
• 02Concepts: sets, roster form and set-builder form
• 03Concepts: subsets, intervals, universal set and Venn diagrams
• +81 more notes

Class 11 Physics Part 1

Class 11 Physics notes for the NCERT Physics Part 1 textbook: motion, forces, energy and gravitation with derivations, textbook figures, previous-year questions and quick checks.

CBSE Class 11

• 01Formula sheet: Units and Measurements
• 02Concepts: measurement, the SI system and significant figures
• 03Concepts: errors, dimensions and dimensional analysis
• +42 more notes

Class 11 Physics Part 2

Class 11 Physics notes for the NCERT Physics Part 2 textbook: properties of matter, heat, thermodynamics, oscillations and waves with derivations, textbook figures, previous-year questions and quick checks.

CBSE Class 11

• 01Formula sheet: Mechanical Properties of Solids
• 02Concepts: stress, strain and Hooke's law
• 03Concepts: elastic moduli, stress-strain curves and exercise practice
• +38 more notes

Class 12 Biology

Class 12 Biology notes for the NCERT Biology textbook: reproduction, genetics, evolution, human welfare, biotechnology and ecology with labelled textbook figures and previous-year questions.

CBSE Class 12

• 01Concepts: The flower, the stamen and the pollen grain
• 02Concepts: The pistil, the ovule and the embryo sac
• 03Concepts: Pollination, outbreeding devices and pollen-pistil interaction
• +77 more notes

Class 12 Chemistry Part 1

Class 12 Chemistry notes for the NCERT Chemistry Part 1 textbook: reaction mechanisms, numericals, textbook figures, previous-year questions and quick checks.

CBSE Class 12

• 01Formula sheet: Solutions
• 02Concepts: concentration terms and their units
• 03Concepts: solubility, Henry's law and gases in liquids
• +31 more notes

Class 12 Chemistry Part 2

Class 12 Chemistry notes for the NCERT Chemistry Part 2 textbook: named reactions, mechanisms, structures, named-product diagrams, previous-year questions and quick checks.

CBSE Class 12

• 01Formula sheet: Haloalkanes and Haloarenes
• 02Concepts: classification, naming and physical properties
• 03Mechanisms: SN1 and SN2 substitution step by step
• +27 more notes

Class 12 Mathematics Part 1

Class 12 Mathematics notes for the NCERT Mathematics Part 1 textbook: chapter-wise board notes, worked examples, textbook figures, previous-year questions and quick checks.

CBSE Class 12

• 01Formula sheet: Relations and Functions
• 02Concepts: relations, equivalence and counting: Relations and Functions
• 03Concepts: functions, composition and invertible functions: Relations and Functions
• +31 more notes

Class 12 Mathematics Part 2

Class 12 Mathematics notes for the NCERT Mathematics Part 2 textbook: chapter-wise board notes, worked examples, textbook figures, previous-year questions and quick checks.

CBSE Class 12

• 01Formula sheet: Integrals
• 02Concepts: antiderivatives and standard integrals
• 03Concepts: substitution, trigonometric identities and partial fractions
• +45 more notes

Class 12 Physics Part 1

Class 12 Physics notes for the NCERT Physics Part 1 textbook: board-level explanations, circuit and field diagrams, derivations, previous-year questions and quick checks.

CBSE Class 12

• 01Formula sheet: Electric Charges and Fields
• 02Concepts: charge, conductors and Coulomb's law
• 03Concepts: superposition, electric field and field lines
• +47 more notes

Class 12 Physics Part 2

Class 12 Physics notes for the NCERT Physics Part 2 textbook: board-level explanations, optics and modern physics diagrams, derivations, previous-year questions and quick checks.

CBSE Class 12

• 01Formula sheet: Ray Optics And Optical Instruments
• 02Concepts: reflection by spherical mirrors: Ray Optics And Optical Instruments
• 03Concepts: refraction, total internal reflection and lenses: Ray Optics And Optical Instruments
• +33 more notes