My GoTo List of Internet Goodies
Beautiful, powerful, free math exploration! Plot functions of simple algebra through advanced calculus, create tables, add sliders, perform transformations and animate your graphs -- all for free.
GeoGebra is dynamic mathematics software for all levels of education that brings together geometry, algebra, spreadsheets, graphing, statistics and calculus in one easy-to-use package. GeoGebra is a rapidly expanding community of millions of users located in just about every country.
Find a wide range of free programs to download to your calculator such as the quadratic formula, distance formula and numerical derivatives.
CoolMath Online Games
Coolmath.com offers "math for ages 13-100" -- explanations that are easy to grasp on topics like algebra, pre-calculus and more. (I started my career as a math teacher, so it's a great pleasure for me to help people finally understand -- and even enjoy! -- doing math.)
ACT for Students: Information & Test Registration
The ACT® test is the leading US admissions test, measuring what students learn in high school to determine academic readiness for college.
A Must Have for Calculus I
This is a comprehensive set of explanations and examples for the fundamentals of Calculus I that Professsor Paul Dawkins teaches at Lamar University.
Lifeline for Calculus II
These notes do assume that the reader has a good working knowledge of Calculus I topics including limits, derivatives and basic integration and integration by substitution.