Texas Instruments TI-84 Plus Silver Edition Graphic Calculator "isn 39 calculator" Questions

...isn't cutting on...is it broke? TI calculators have an annoying habit of dimming the screen when the batteries are changed so that it appears as if the calculator isn't turning on. Turn the ...

isn't turning on. Turn the calculator on (or at least press the ON key). Press and release the 2ND key. Press and hold the Up-arrow key for a few seconds and see whether the screen becomes legible

...calculator, the cursor appears, then shuts off. I've replaced the aaa batteries. Any ideas? Are you sure one of the batteries isn't in backwards?  That will make it behave like

isn't one of the first things you'd think to check) or use a battery tester. If the batteries are good and the calculator still doesn't work, something inside has failed. Either go for the

isn't turning on. Turn the calculator on (or at least press the ON key). Press and release the 2ND key. Press and hold the Up-arrow key for a few seconds and see whether the screen becomes legible

...isn't one. You can calculate the common logarithm of any number by using the relationship log x = ln x / ln 10. In words, calculate the log of a number by dividing its ln by the ln of 10. The ln ...

is this free? Posting in FixYa's free area is. The TI-84Plus calculator isn't.

isn't turning on. Turn the calculator on (or at least press the ON key). Press and release the 2ND key. Press and hold the Up-arrow key for a few seconds and see whether the screen becomes legible

...isn't assigned as a number you'll get an error. SO no x's or y's or any letters. Anything with letters you have to do on your own. So 5x*3 / 5x cross out the two 5x's and ...

isn't turning on. Turn the calculator on (or at least press the ON key). Press and release the 2ND key. Press and hold the Up-arrow key for a few seconds and see whether the screen becomes legible