Texas Instruments TI-83 Plus Calculator "button ti84" Questions

...TI84 Plus Silver Edition) and effect a transfer of the OS from the classmate's calculator using an IO cable. Alternatively, download the new version of TI Connect (version 4.) and install it on your ...

My TI84 does not respond except for sin My TI84 only gives sin or sin^-1 or nothing, arrrow buttons and clear don't respond. I've already turned it off and removed the batteries, but ...

secant button on TI84? There isn't one; it requires two keys. Use the relationship sec(x) = 1/cos(x). After calculating the cosine of the angle, press the x^(-1) key (leftmost column, just below MATH)

...button "on". But sometimes it still can work. But because I havent used it for half an year, now I totally cant make it work. Is it really broken? Or any solution can make it work? Thanks ...

can you fix a TI84 plus that turns on and says RAM CLEARED but no buttons work except when you hit on it goes blank except for black box in left upper corner and then when you push buttons nothing hap

ti84 keys not working hi press the clear key if this don' t work try finding the the reset button in the back of the calculator or remove the batteries from it for one minute and put them back in and ...

Ti84 "Sin/Cosin/Tan" Problem... Not quite sure whats going on... Heres what happens I hit the Sin button, enter in the degrees "sin(30)" for example. Instead of .5000, which is what the sine of 30 ...

...Keypad , the system don't load... Remove the TI84 Keyboard, insert the TI-Nspire keyboard and try to reset the calculator with a starightened paper clip.Calculator has a reset button on the

...TI84 and I need to use the eVALUEate feature but don't see it or know where to find it. Can you help please? I'm just guessing (i don't know but this is my best guess) it's an aplication. try under ...

...a reset when my sons TI84 was left on a problem. When I took out battery and hit the on button it came back with a ram cleared. Now all I get is a blank screen with a blinking curser Solve for n. ...