' Immersive Math ' is a free textbook site that makes linear algebra, a field of mathematics that studies calculations such as vectors and matrices, easier to understand by providing interactive ...

I've been grading calculus exams this week, and even though my students did quite well overall there were a couple of errors that I see every semester. Errors that make mathematicians' heads explode.

Linear Circuit Transfer Functions: An Introduction to Fast Analytical Techniques, Christophe P. Basso, Wiley, IEEE Press (www.wiley.com), ISBN: 978 111 923 637 5, glossy hardback, 445 numbered pages, ...

Most famous equation: Einstein's E = mc2, which means energy is equal to mass times the speed of light squared. Known digits of pi: More than 105 trillion digits Digits of pi NASA uses for equations: ...