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.

It is life saving... I am passing IB because of this site!

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

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...

I found your website really helpful and I enjoyed using it.

My teacher recommended Inthinking Revision for our class and in my opinion it was a really useful site in preparation for unit tests, exams, and to get a sense of understanding of my math level. What was really helpful was the self-evaluation button and the notes section, as it gave me a sense of understanding...