About

BetterMath is written by a working IB teacher, for students and teachers of AA HL.

Hasan Khan

IB Mathematics and Physics teacher · IB examiner

Hasan Khan teaches IB Mathematics and Physics at an international school in Japan. He has taught for more than ten years, in more than six countries, and has been an IB examiner for over seven years.

He holds an M.Sc. in Particle Physics from the University of Jyväskylä, Finland, and a Postgraduate Diploma in Education. He has contributed to national curriculum development, and has completed teacher training in educational innovation with CERN, ESA and Wolfram.

BetterMath grew out of his teaching, and it keeps improving because students and teachers take the time to say what could be clearer.

10+years teaching

6+countries

7+years as an IB examiner

AA HLand Physics

EducationM.Sc. Particle Physics, University of Jyväskylä
EducationPostgraduate Diploma in Education
AssessmentIB examiner
CurriculumNational curriculum contributor
TrainingEducational innovation with CERN, ESA and Wolfram
TeachingIB Mathematics AA HL and IB Physics

Get in touch

Questions, ideas, corrections

I'm always glad to hear from readers. For a mistake in the notes, the corrections form is quickest; for anything else, write to ibxhasan@gmail.com.

Using BetterMath

In class, with one request

BetterMath may be used for personal study and in the classroom. It is not for sale, and copies may not be sold. If you use it with a class, please let me know — I like knowing where it ends up. For translations, reposting or anything else, please write to me first.