Stuff related to the TI-84+ CE Graphing Calculator.
Yes, it’s weird: People were headed to the moon in 1969, and people are making video players for calculators in 2022… A quick demo to start off with: This program is open-source on GitHub: https://github.com/david-why/vplayer Usage Send bin/VPLAYER.8xp to your calculator using TI Connect CE or your favorite link software. Convert a video file with … Read more
The seq( command is very useful when you want to automatically fill in a sequence of anything. Description The following text is from the TI-Basic developer site here. The seq( command is very powerful, as it is (almost) the only command that can create a whole list as output. This means that you will need make use of it … Read more
Continuing this article, here are more creations I made for the TI-84+ CE. prgmQRCODE This is a simple QR code generator for your calculator. This program is available here. Hidden feature: if you press [vars] in various text input modes (e.g. 2nd, alpha-upper, alpha-lower), some pre-inserted text will be inserted! prgmREAD This is a program … Read more
Question: Please find an equation of the following sinusoid, in the form $a\sin{bx+c}$: $$2\cos{2x}-7\sin{2x}$$ Just face it, although it is certainly quite possible to find a sinusoid by pure math (shown at the bottom of this post), we all would like a shortcut to it. And here is the shortcut… This method can be used … Read more
I have made some C/C++ programs for the TI-84+ CE and posted them on GitHub, available here. Some of them are still in progress, some of them are simply abandoned, and some are fully functional. Here are some of the fully functional ones and their descriptions. Many of these programs need the CE “Standard C … Read more