See 2500 stars, all 88 constellations, planets and the moonphase from 4713 BC to 9999 AD from any location on earth. Print todays night sky ! Nice visuals, smooth animation, simple controls, good planet data too.

Planet?s Visibility presents a 3-color graph that shows when a planet, the moon or the sun is visible during any year from 3000 BC to AD 6000 at any location on the earth.

Planet's Orbits (for Windows 98/ME/2000/XP) is an accurate digital orrery with a wealth of functionality. The program uses the DE404 ephemeris (accurate for dates between 2000 B.C. and 6000 AD) for the calculation of planetary (except Pluto).

Provides a brief amount of information for all the planets.There is also a Planet Weight (known previously as Space Weight) section which will tell you your weight on any Planet. And Lots More!

This Periodic Table is an excellent tool for both students and serious researchers. It includes over 20 types of data on each element, most of which can be corelated in a particle or line graph. It even has a powerful chemical equation balancer

Pitch ID trains pitch and interval identifcation by ear with immediate feedback and scoring. Pitch ID generates unlimited questions in every major and harmonic minor key in 15 levels of graduated difficulty. Demo has first 2 levels.

eTraining Software for building an online learning community. New User area design with user-friendly web-based Admin area. Script features catalogues of courses, tests, certificates, payment systems, surveys, forums, shopping cart and wish list.

Animations on physics with explanations.

PHPWebQuiz is a program to solve quizzes online on the Internet or on a Intranet. It runs on a Internet server. PHPWebQuiz has been developed to be used together with QuizPro.