Powered by the Mathematica software package, QuickMath provides instant solutions to common algebra and calculus problems, in your browser, while you wait.
Purplemath's algebra lessons are written with the student in mind. These lessons emphasize the practicalities rather than the technicalities, demonstrating dependable techniques, warning of likely "trick" questions, and pointing out common mistakes.
Mathematics resources online for Year 1 - 3
William Mueller (see Wmueller.com below) describes precalculus as the bridge between the math you know, such as arithmetic and algebra, and a wondrous, fertile land ahead: calculus.
Holly Camp was a twenty-five-year-old divorced mom with two kids under the age of four when she enrolled in college.
"When one thing depends on another, as, for example, the area of a circle depends on the radius, or the temperature on the mountain depends on the height, then we say that the first is a ‘function' of the other."