http://cnx.org/content/m13856/latest/
Simple notes on projectiles
http://cnx.org/content/m13856/latest/
Simple notes on projectiles
http://www.themathpage.com/aPreCalc/precalculus.htm
This includes information on several calculus topics.The notes are detailed and can be used to give the basic tips on calculus
http://www.themathpage.com/aPreCalc/permutations-combinations.htm
This site explains the basic principles under the topics on Permutations and combination.
http://www.mathgoodies.com/lessons/vol6/conditional.html
This site provides introductory notes on probability with illustrations.The notes are detailed and help the reader to quickly have an out line of probability.
MathsRevision.net
Provides comprehensive , free mathematics revision notes and help for GSCE and A’Level students covering Mechanics, Pure Maths and Statistics.
It has an excellent forum where stuudents can post problems or questions they are having about their course.
WebMath.com
Stuck on math homework due tomorrow?
Big exam coming up? Perhaps Webmath can help!
 This site is composed of many math “fill-in-forms” into which you can type the math problem you’re working on. Linked to these forms is a powerful set of math-solvers, that can instantly analyze your problem, and when possible, provide you with a step-by-step solution, instantly! At Webmath, you don’t have to wait for an email response or post your question to an electronic bulletin board and hope someone will answer it. You can get the answer to your math problem right here, right now!