Nigel Emard
Jan 01, 2025
can you check the battery on a graphing calculator?
I have a TI-84 Plus Silver Edition graphing calculator, and I'm wondering if it's possible to check the battery life or charge on the device. Can anyone tell me if this feature is available, and if so, how I can access it? Thank you!
3 Answers
You can't check the battery status using solely the TI-OS; you'll have to download an assembly program or application. Since assembly programs can't be typed in on the calculator, you'll have to have use that calculator-computer USB cable you should have gotten.
The thing with battery checkers is that they can't be exact. Instead of giving a percentage, any battery checking program will only be able to tell you if the battery is good, fair, poor, etc. That should be enough indication, however. Try this one: http://www.ticalc.org/archives/files/fileinfo/148/...
Feb 13, 2025
Actually on the TI 83 and TI 84, if you press the 2nd key and then press and hold the up key, you'll see a number in the upper right hand corner. It's more of a battery counter than power meter. It counts up from 0-9 based on the time the calculator is in use. When you reach 8 or 9, it's time to change the batteries.
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