Princeton Univ. Press: 2006. 404 pp. $29.95. In a poll for the most beautiful mathematical formula ever, each voter would no doubt have a subjective and unashamedly biased list, but a handful of ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Thomas J Catalano is a CFP and Registered ...