Atom Figure	This program finds the average atomic mass theoretically to as many atoms/isotopes data the memory can hold. (coded by Tuximus <programmingjunkie@hotmail.com>)
Periodic Table	(click here for some screen shots of the prgm.) Period89 is a graphical periodic table for the TI-89. (coded by Paul Aurich <Paul@aurich.com>)
Polyions	(click here for some screen shots of the prgm.) Polyions is a very useful program in chemistry classes. It is a list of ions, from Acetate to Zirconium. (Coded by Entropix / Rory Kulz)