The variety of symbols used in mathematics is surprising. We start with 26 Latin and 33 Greek letters, 9 digits, four common operators (+, -, * , / ) to these are added delimiters ( ) [ ] , vectors, ...

A new book traces the history of division signs, square roots, pi, exponents, graph axes and other mathematical symbols. (Bigstock) Consider the simple plus sign: +. Most people, Joseph Mazur ...

Each symbol can mean different things within and across disciplines, order and position of elements matter, priority of features, etc. Keyword search that works pretty well on text doesn’t work ...

Where math, technology, and education cross. The Chronicle Blog Network, a digital salon sponsored by The Chronicle of Higher Education, features leading bloggers from all corners of academe.

The set was introduced in Unicode 3.1 in 2001. When mathematical symbols are included in Unicode, they become far more accessible to the entire world.