Want to learn more about math? Even if you found trigonometry challenging in school, learning more about mathematics can help improve your problem solving and critical thinking skills. If you'd like to learn more about math, these useful websites can help:
Organized by grade level and intended (in part) to provide tutoring help for students, Math.com is also a useful resource for anybody who wants to learn more about math. You can browse the site to learn more about algebra, calculus, trigonometry, and other math subjects, practice your skills with sample problems and online games, and even make use of a number of online tools such as a savings calculator.
Wolfram's Mathworld site avows to be "the web's most extensive mathematics resource." The site offers articles on a huge variety of math topics, many of which are organized by subject matter. For example, Wolfram Mathworld has a huge library of articles about discrete math, another about statistics, and many many more.
Wikipedia's Mathematics Page
Wikipedia's "Mathematics" article offers a readable survey of the history of math. It also gathers a huge number of links to different math-related articles. Visit and you might just spend some time clicking through to read Wikipedia articles like those on "Mathematical Beauty" and "Computability Theory."