E-textbook

Find best Spectral Estimation Method for a Power Spectral Density plot. A menu of 10+ spectral estimators from Steve Kay"s textbook, Modern Spectral Estimation, 1988, is available to choose from. Some estimator results differ dramatically!

Your school, college or university can drastically cut costs and be environmentally friendly by offering students electronic textbooks, manuals and syllabi in HTML, CHM, PDF or EXE formats, on and off line. Find out how with this free trial version.

Here's a textbook / e-book package for Windows 98 users who are tormented by computer errors/ poor performance and want a faster, more manageable computer. Clean Up Your Hard Drive walks you through Windows 98 maintenance, start to finish.

ActiveTreeNotes is a blazingly fast, very simple to use information organizer. Using a hierarchical metaphor (tree based), you can create and organize any kind of information, from websites, to ski resorts, to recipes, to writing snippets.

Educational orbit and gravitation simulator for high school, college and beginning university physics and astronomy. Easily create, run, print and save a simulation. Includes 29 premade simulations with activities page in html-format.

Course building software that allows you to create your own courses for the classroom or lab. Add audio, images, text, rich text. Use .mp3, .txt, and .rtf files to develop modules--lessons within units--for your lab or classroom computer stations.