Understanding Mathematics by Peter Alfeld, Department of Mathematics, University of Utah

Frequently Asked Questions

This page contains a number of frequently asked mathematical questions, and links to answers. The answers give reasons in terms of simple mathematical terms and may themselves contain links to other answers. This is an ongoing project. Send me your question and I will add it - and my answer to it - to this list (and let you know when it's there).
  1. What kind of numbers are there?
  2. Why can't we divide by zero?
  3. What is 0 to the power 0?
  4. What on earth is a logarithm?
  5. In a nutshell, what are the trigonometric functions?
  6. What are some famous equations or inequalities?

Fine print, your comments, more links, Peter Alfeld, PA1UM