Great site for revising the course using written notes, videos as well as quizzes.

The Maths AA HL course on Inthinking Revision has been of tremendous help to me, especially with the way each section is structured, usually consisting of videos and revision notes, followed by quizzes to practice your skills before jumping into exam-style questions, which are arranged in ascending...

Inthinking Revision has enormously helped me in my understanding of math. I started revising Mathematics AA SL two months prior to the exam, and during that time I barely understood the purpose of functions, trigonometry, and calculus, which was highly needed for me since I’ll be doing an interdisciplinary...

The Inthinking Biology website is very helpful in providing not only notes and diagrams to explain all the concepts, but also provides additional tests and Quizlets to strengthen your learning. I definitely recommend!

Really great website, tutorials are easy to follow and split topics up into sections that are manageable. This makes revision easy to track and the test questions provide accurate indicators of progress to make sure material has been learnt.

Dear Mr. Neil, This comes to appreciate your immense hard work in creating, collating and compiling all of these very relevant, well-timed resources in lucid, friendly language for all IBDP students and facilitators as well. Gratitude and thanks! Seethalakshmi S