Other programs by Daniel J. Bishop at www.ticalc.org:

The Algebra Toolkit v1.1  (freeware)
     location: 83\basic\math\algtool.zip
     Solves quadratic equations and sytems of 2 or 3 linear equations.  Graphs conic
     sections.  Finds area, side lengths, angle measures of oblique triangles.

Bishop's Games Package  (public domain)
     location: 83\basic\games\games.zip
     Blackjack, craps, Day Trader, bricks, and tic-tac-toe.

Day of the Week  (freeware)
     location: 83\basic\misc\dayofwk.zip
     On which day of the week was the most important event in your life?
     If you remember the date, you can use this program to find out.

TI-83 Phone Book  (freeware)
     location: 83\basic\misc\phonebook.zip
     Store the phone numbers of all your friends.

SOLID Personal Organizer  (freeware)
     location: 83\basic\misc\solid.zip (?)  Not yet available.
     release date: 20 May 2000
     Successor to Phone Book allows longer names.  Also stores memos, displays monthly
     calendars, and converts between U.S. and metric units.

The Statistics Toolkit v4.0  (freeware)
     location: 83\basic\math\stattk.zip
     Useful for AP Statistics students.  Includes univariate chi-squared test, normality
     test, Spearman's correlation coefficient, residual plots, and fake mem clear.

VAPOR Personal Organizer  (public domain)
     location: 83\asm\misc\vapor.zip  ** DO NOT DOWNLOAD THIS FILE! **
     This program is being recalled because of an error message complaint.  It will be
     replaced by SOLID.          

Weak Acid/Weak Base Solver  (freeware)
     location: 83\basic\science\acidbase.zip
     finds the pH, pOH, [H+], [OH-], final acid concentration, and final base concentration
     of any weak acid/base solution if you know the Ka/Kb and initial concentrations.