This trigonometry textbook takes the learner from a basic understanding of angles and triangles through the use of polar coordinates on the complex plane. Written by a mathematician-engineer, examples and problems here are used to...

How can Adobe Creative Cloud enhance digital art and media design? Readers explore just that with the Digital Foundations eBook. They learn how to source images and how to create symmetry and asymmetry in their digital designs. They also...

Statistically speaking, the content covers several grades. Featuring all of the statistics typically covered in a college-level Statistics course, the expansive content spans from sixth grade on up to high school. Material...

Ever wish writing was as easy as 1,2,3? About Writing: A Guide outlines the steps to successful writing. The guide begins by explaining the types of writing and then takes readers through the process. The guide even includes a section...

This heady calculus text covers the subjects of differential and integral calculus with rigorous detail, culminating in a chapter of physics and engineering applications. A particular emphasis on classic proof meshes with modern graphs,...

The site is very easy to read and provides a thorough demystification of Nuclear Magnetic Resonance. Written by Dr. Joseph P. Hornak, a professor of Chemistry and Imaging Science at the Rochester Institute of Technology, the site breaks...

In this textbook unit, students learn about what society and the standard of living were like prior to the Industrial Revolution. The average peasant grew their food and kept farm animals. Change took place much more slowly, but the rate...

Plants need certain nutrients to grow well. Use this site to find out what plants need, how to care for them, how to read a fertilizer label, and do the fun activities, like a quiz, a puzzle and a coloring book.