Question about Texas Instruments TI-89 Calculator

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Keystrokes for cubed root and keystroke for y to the x power.

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To raise y to the x power, enter y, press ^, enter x, and press ENTER. To compute the cube root, simply raise the base to the one-third power.

Posted on Nov 07, 2010

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We unplugged the Mac before we did the shut down, now it will not start up. What can I do?


leave it plugged in for a while. Try holding down the power button until it powers off. When you restart it, hold down the S key to see if it will boot in safe mode.

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Keystroke sequence


Press 6 . 0 0 5 g square-root

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I cant find the button to square a value, what does it look like?


There isn't one. You can square a number in two keystrokes by multiplying it by itself (press ENTER then *) or, if stack lift is enabled, by raising it to the second power (press 2 then y^x).

Since it only takes two keystrokes, there was no point in making a shifted key sequence to do it, and keyboard real estate was too limited to devote a key to the function.

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What is the fourth root of 83?


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try this one first:
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1 Answer

Typing on my notebook I have to type very hard or


Hello !

Try updating the BIOS of the system. Once that is done.

Turn off computer.
Remove battery.
Remove AC adapter.
Press power button for 20 seconds to power drain.
Place battery and AC adapter back.

Turn on system and check the keyboard.

Good luck !

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1 Answer

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I agree, if you did a combo of keystrokes (re: cntrl+F5 for monitor) thats only a shortcut keystroke and should be able to do and undo all changes in "control panel">"display">"settings">advanced

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1 Answer

Keystroke issue with TI BA II +...


ok so when you're typing it into your calc. like that don't type it in without parenthesis.

example:

2^3=8
to find the cube root of 8, you type in 8^(1/3)

DONT type 8^1/3 because that means that you raising the 8 by a one and then dividing that answer by 3

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1 Answer

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DickyO

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2 Answers

Keystroke logger


Try this site. I have used Ghost Key Logger. Works well. Beware that spyware and antivirus programs WILL see this program and warn you about it.

http://www.dirfile.com/freeware/keystroke-logger.htm

May 21, 2008 | Microsoft Windows XP Home Edition

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