This site is a combination of games, apps, tutorials and more for TI calcs.
The programs are written for TI-83+, TI-84+ and TI-Nspire (cx) Cas (OS >=3.0)
Every game is made by nick, and the forum topics about the games can be found http://www.omnimaga.org.
Periodic table released! features everything you need to use in chemestry.
A colored table, and an animated crystal structure.
Atomic number, relative weight, type, ionisation energy, elektronegativity, melting point, boiling point, density at 20°C, electron configuration, discovery, nr of natural isotopes, oxidation states, crystal structure, group, period and radioactivity.