Discrete Observer Articles
Our department once had a website called The Discrete
Observer, a news page for math articles, both
serious and silly. Here are some that I contributed (in some
cases under a pseudonym).
Serious:
Two
Views of the Pythagorean Theorem
Magic
Sevenths
Bezier
Curves
Humorous:
Math
Student Missing After Math Mishap
Misleading Sign Leads Students Amiss