I recently downloaded a unit conversion program from the ticalc.org, but it doesn't seem to work perfectly on my TI-84 Plus C Silver edition. It uses a graph to display the different units, and when i run it on my TI, none of the words are legible. I downloaded the TI-84 emulator and ran it on the 84 Plus, and it ran perfectly. on my 84 Plus C it seems to be really zoomed out, but I'm not sure how to fix that, because I'm really new to TI programming. If you would like to see the program that I am talking about, it's batchconvert on https://www.ticalc.org/pub/83plus/basic/science/units/

That's because the resolution of the TI 84 Plus C Silver Edition (CSE) is much higher than the old, monochrome calculators. The only way to fix that is to manually go through the code and change the numbers so they'll fit on your screen. Of course that's very tedious and I doubt you want to do that, so I'd suggest finding a program compatible with your calculator.