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graphing calculator
i just bought a graphing calculator, it's a ti-83. i've never used one before, and i can't figure out how to go up to the previous calculations that i've done. on my old scientific calculator you just had to press the up arrow, and you could scroll through all the problems you have done. also, when i do a few problems and i keep them all on the screen & i try to use the arrow keys to move up and down between several lines, it doesn't let me. help please!
:) thanks
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The unfortunate thing about the TI-83 is that the arrows aren't meant for scrolling through problems you have done, they are for scrolling under the options areas & such.
To get to the last problem you have done (after clearing) you hit 2nd & enter.
The problem with that is if you ever uset the "answer" button.
For example, say you do 2x3. It comes out 6. Then you do ans^2. You'll get 36.
2x3
6
ans^4
36
Then you hit 2nd enter & see "ans^4.
If you hit "enter" to receive the answer, rather than receiving '36' again, you will receive "1679616" (the answer to 36^4).
I'm sorry if that's confusing, but it's the only way I know how to explain it without being next to you and showing you in person...
Unfortunately, the TI-83 isn't as great as it could be. That's why there are newer, more advanced models out there.
You think it would be nicer for how expensive they are, though :).
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Good choice on the TI-83. It's been a while since I had one, but if I recall it was 2ND+ENTER to get to tbe last problem you did. Twice to get to a problem you did two problems ago, etc etc.
To my knowledge, you can't scroll up and down the screen using the arrows to see problems you've already done on the TI-83.
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