Statistically speaking, if you’ve held a graphing calculator, it was probably made by Texas Instruments. The TI-89 Titanium continues this legacy with more memory, more pre-installed ...

In addition to all of the above, TI-89, the king among TI calculators and one of my personal favorites, has never (to my knowledge) existed on Android. Until now.

The TI-89, which became available in 1998, let you solve equations with your calculator (just like the TI-92, but you were more likely to be able to use it on tests).

While this wouldn’t be a drop-in replacement for more modern calculators like the TI-83/84 and TI-89, a new case and a different boost converter would solve the problem of the AAA batteries ...

The TI-89 is a graphing calculator used in advanced mathematics classes and approved for use on examinations like the Scholastic Aptitude Test and various Advanced Placement tests. While its large ...

In my continuing effort to raise money for my paintball gun, I'm selling a Texas Instruments TI-89 graphing calculator. This is a fantastic calculator for advanced high school and college level ...

Sometimes, expensive calculators hit the floor. It’s happened to almost anyone with a graphing calculator from TI or HP. Sadly, they don’t always bounce. After this happened to [Howard … ...

Two new proof-of-concept viruses target the TI-89 graphing calculator. Both spread in the style of an old DOS virus: once they’re on a calculator, they look for other programs to infect. They ...

Texas Instruments, famous for its calculators, has earned a spot in millions of hearts around the world by earning a spot in millions of bookbags.