Texas Instruments also noted that digital calculators required schools to invest in Internet access. "TI calculators continue ... options for smartphones and online, schools generally haven ...

In 1990, Texas Instruments created its first graphing calculator, dubbed the TI-81, for use by students in high school math classes. The TI-82 followed, then the TI-83, then the TI-84 ...

The battle between Texas Instruments and calculator hobbyists rages on, as TI seeks to keep its OS locked away from third-party developers. After the calculator hacking community discovered the ...