Personally I prefer the TI series of calculators to any other graphingor programable calculator I've encountered. They are much more user friendlyand easier to learn than the HP's and Casio products I've seen. In my owncollection there is a TI-80, TI-81, TI-85, TI-86, TI-89 and the powerhouseTI-92.  Let me tell you guys, nothing impresses the ladies like knowinghow to use a graphing calculator.
The following are programs I have written for the

TI-80

• fnint --integrates numerically a function using Simpson's rule.
• solve --finds the numerical solution to an equation using Newton's method

• fnint -- a TI-81 version of the TI-80 program
• solve --a TI-81 version of the TI-80 program

TI-86

TI-92

To download these programs save the files to disk.  Then for theTI-80 and TI-81 programs open them in windows notepad -- unfortunatelythese calculators cannot link to computers so you'll have to enter theprograms manually. All the other programs are to be entered via the computerlink. If you don't have the computer link you can open the programs usingthe software for the link and then manually enter the programs. For moreinformation concerning Texas Instruments calculators visit their website-- they also have an extensive list of programs for all of their calculators.

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