The TI-89 introduces arbitrary integers in the form @n1, @n2, @n3 and so on to represent the 'k' of a parametric solution (note that this also applies to solutions for inconsistent linear systems ...

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 ...

Of course, this is via the Wii U emulator Cemu. Which was able to get a workable version of The Legend of Zelda: Breath of the Wild to run on PC back when the game originally launched. Since that time ...

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 ...