Learn CS & IP the way it actually clicks.
Interactive, visual tutorials for CBSE Class 11 & 12 Computer Science and Informatics Practices — with runnable code, playful animations and instant quizzes. No setup, nothing to install.
>>> print('Hello', 'world!') >>> type(3.75)
Hello world!
<class 'float'>Not another wall of text
LambdaLab turns the syllabus into something you do, not just something you skim.
Run real Python
Edit and run actual Python — NumPy, Pandas, Matplotlib — right in the page. No install, no setup.
Learn by doing
Every idea has an interactive widget or animation you can play with, so it clicks instead of just being read.
See your data
Charts and Series render live from your own code — watch the picture change as you tweak the numbers.
Check yourself
Instant quizzes after each topic with friendly explanations — retry as many times as you like.
Pick your course
Three courses are live today: Artificial Intelligence Class 10, Computer Science Class 11 and Informatics Practices Class 12. More classes are on the way.
Artificial Intelligence
The AI project cycle, the three domains, modelling, computer vision and NLP — the CBSE skill subject 417, Part B.
Informatics Practices
Python, NumPy, Pandas, data visualization, SQL & networking — the data-handling half of the CBSE syllabus.
Computer Science
Python programming, data structures, databases & networking — the full CS course.
CBSE Question Papers
Years of board papers, the compartment papers that go with them, and CBSE’s own sample papers — Class 12 computing and Class 10 Artificial Intelligence. Free to download.
Practice Paper Generator
Run out of past papers? Build another one — or a short topic test on just the chapters you are revising. Real past questions, generated on your own machine.