The first step to success in any endeavor is having the right tools. Keeping tools organized and handy is equally important, but the overwhelming amount of information in most classes causes even the most powerful tools to get lost in the cluttered garage of facts, formulas, and applications.
What we need as mathematical scholars is a neat, uncluttered toolbox where key formulas are organized and kept close at hand. Luckily, Paul' s Online Math Notes provides just that! Here is a link: http://tutorial.math.lamar.edu/
The "cheat sheets" on the website below are invaluable...