# Math

## Selecting Statistics

The Selecting Statistic website  is very easy to use.  The website will ask you questions to determine the facts about the equation, then it provides a method on how to calculate the statistic problem.

## QuickMBA Satistics

The Quick MBA Statistics website offers brief informative explanations on statistics. It introduces topics such as: Central Tendency, Dispersion, Standard Deviation and Variance, Probability, Permutations and Combinations. It also provides a link to The StatSoft Electronic Statistics Textbook.

## Understanding Algebra

The Understanding Algebra site provides a full algebra textbook by James W. Brennan for free online. It has nine chapters covering: Numbers of Arithmetic, Intro to Algebra, Word Problems, Graphing and Straight Lines, Systems of Linear Equations, Polynomials, Rational Expressions, Exponents and Roots, and Quadratic Equations.

## Paul’s Online Math Notes

Find step-by-step explanations and practice problems and solutions for Algebra and Calculus.  Paul’s Online Math Notes provides very helpful tutorials and lots of sample problems to work through.  The site shows step-by-step how to solve problems.  It also provides links to “cheat sheets” for Algebra, Trigonometry, Calculus, Limits, Derivatives, Integrals, and Laplace Transforms. There is also a great section on ‘How to Study Math’ and ‘Common Errors in Mathematics’.

## Eformulae

The Eformulae site is a online resource of  engineering formulas, science formulas, math formulas, physics formulas, chemistry formulas, tables, glossary of terms related to computer engineering, manufacturing technology, mechanical engineering, agricultural engineering, electronics engineering, metallurgy and machining processes.  This is great for referencing and for better understanding a formula and how it is used.

## Cool Math

The Cool Math site provides simple math explanations on topics in algebra, pre-calculus, and more.  The site is designed to help students of any age to understand math in a simple and enjoyable format.  This site is best for finding step-by-step information in particular math topics you may need help with, like prime numbers, factoring, graphing, logarithms, and many more.  Search the site to find the math topic you need help with!

## Algebra Help

Algebra Help provides a collection of lessons, calculators, and worksheets to assist students and teachers in algebra. Explore one of dozens of lessons on key algebra topics like Equations, Simplifying, and Factoring. Find equation solutions with the Equation Calculator that will show you the right answer and a step-by-step solution. Practice using the interactive worksheets section. Answers are graded automatically, or can be compared against the answer key.