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Posted on Jan 02, 2017
I had the same problem and finally figured out how to fix it. You need to clear the memory. To do so, first press and release the 2nd button at the top left of the calculator. You will see "2nd" appear on the screen at the lower left. next press the 0 button (which 2nd function is "Reset"). The key to making this work is: do not hold the 2nd button while pressing the 0 button. You have to press it, release it, and then press the 0 button.
Posted on Nov 08, 2010
SOURCE: 5/4x-18=-3 Ti 84 plus
If you wan to solve an equation using the SOLVE feature you enter it as follows (your example)
You should rewrite it as 5/4*X-18+3 (= 0). Implicitly, the calculator assumes that the right side is ZERO and you do not enter any right side nor an equal sign.
5/4 [*] [X,T,theta, n] -18 +3 [ALPHA] [ENTER] (SOLVE)
You should get an answer -780/47 or the decimal equivalent (depending on display mode.)
Posted on Feb 12, 2011
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