"After getting my PhD in Computer Science at the University of Toronto I spent 42 year in IBM research, with brief sabbaticals in Switzerland, China and Japan. I feel I can teach high school and college level math, high school physics, and general computer science.

I do not have a teaching certificate; my teaching experience includes a course on computability at the University of Toronto as a graduate student, teaching a semester of computer science in Beijing, China, and mentoring a Columbia PhD student. For a couple years I also taught a Chinese language class.

My approach to teaching math is to let the student solve a couple easier problems, which then leads to a solution of his harder one.

My approach to teaching physics is to get the laws relevant to a given problem, and then see what relevant quantities they can contribute.

I teach Computer Science by representing its problems as math problems.

I like teaching students motivated to learn, and they seem to like me." less...