TI 89 Users Group - TAMUK math club
http://www.tamuk.edu/mathclub/
This is another top-tier site. Lots of math programs in all the usual categories, but also other
programs in science, engineering and CBL/CBR. Does not appear to accept submissions right
now. Some programs are original, some have been collected from other sources, and modified for
various reasons.
Bhuvanesh Bhatt's site
http://triton.towson.edu/~bbhatt1/ti/
Several TI-92 PLUS advanced math programs, including: Cauchy principal value of an integral, a
differential equation graphing utility, a multiple linear regression function, a special functions
package, a tensor analysis package, a Christoffel symbol package, and a complex analysis
graphing package. Bhuvanesh also has a special functions package that implements a great
many special functions. You can also get E.W.'s 89/92+ EquationWriter (EQW) here. This site
also hosts this tip list.
Stuart Dawson's surverying software
http://www.dawson-eng.demon.co.uk/nexus/
Surveying software for working surveyors. The more powerful versions are not free, but there is a
free version with reduced functionality.
Andrew Cacovean's tip list & examples site
http://www.geocities.com/TI_TipList/
Andrew hosts the web version of this tiplist, and you can also get the current version of the 89/92+
wishlist there. Andrew also has some very good tutorials on using the 89/92+ to solve basic and
more advanced problems.
Kevin Kofler's web site
http://ti89prog.kevinkofler.cjb.net/
This is where to go to get Kevin's extremely handy autoaoff() program, which disables the default
alpha keyboard in dialog boxes on the TI-89. Kevin has also written programs to automatically
close open parentheses on the entry line, map common functions to unused key combinations on
the TI-89, balance chemistry equations, use log and semi-log axes on function plots, find exact
solutions to cubic and quartic equations, make date calculations, manipulate grey-scale pictures
and display calendars.
Paul Pollack's TI-92 Number theory programs
http://www.geocities.com/Hollywood/2979/ntheory.html
A small collection of number theory programs, including tests for primality, tests for probable
primality, factoring by Pollards rho method and p-1 method, and fast square roots of large
integers. Seems to be old but still useful.
Michael Lloyds TI calculator programs
http://www.hsu.edu/faculty/lloydm/ti/prgmtabl.html
This site includes many programs in algebra, trigonometry, statistics and calculus. Some specific
programs include Molleweide's equation for checking triangles, conic equation graphing,
probability distributions (binomial, F, Pearson-Moment correlation, Student's T, chi-squared),
ANOVA and number base conversions.
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