I started teaching in 1977, and across my nearly 50 years, I noticed that students were always interested in the history of ...

Statistically, the most common symbol in mathematics is the equal sign, which appears in 94% of mathematical expressions.

So there are similarities as well as differences. Lam King-fui, 15, Carmel Bunnan Tong Memorial Secondary School: The math symbol in my family is the division sign (÷) . In my family, everyone ...