Question about Texas Instruments TI-89 Calculator
Download flib from the internet and send it to ur gc.
type flib("slrcl") in your home screen
press F1 8
Try again if it works
Posted on Jul 09, 2008
Tips for a great answer:
My name is adieh. Hav a great day.
Here are the tips on how to calculate standard deviation using a graphic calculator:
1. Turn on your graphing calculator, go to the stats/editor screen and enter your data set into list1. Once this is done, return to your home page by hitting the home button.
2. Push the catalog button and scroll through the applications until you find "stdDev(". Place the arrow next to it and press enter.
3.Type the word "list1" into the open parenthesis. After you have put that in, close the parenthesis so you calculator doesn't show an error message.
4. Press the enter button. The calculator has done the calculations and you now have the standard deviation of your data set.
Using 1-var stats in the stats/editor screen will also give you the standard deviation. Using that function will also give you other information associated with your data set.
Hope it helps.
Thank you for using fixya.
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But, if you do find a invalid list or, matrix to delete press, [2nd] [MEM]  and then,  for lists or,  for matrices. This will display all the lists or, matrices to delete. You can go through them and, see if one or, a few of them are the ones you want to delete. To delete a list or, matrix just stroll to the list you want to delete with the little dot marker to the left of the list or, matrix and, press [Del]. If the list or, matrix is archived you will have to unarchive it first. To unarchive a list or matrix just hit the [ENTER] key and, a asterisk will disappear and, now press [Del] key to delete it.
f you can't find the list that is causing you problem you can clear all the lists. To clear all the lists first clear the Home screen by pressing [Clear] at the home screen. Next, press [2nd] [MEM] and the ClrAllLists command should display at the Home screen. Next, press [ENTER] and this should set all lists dimensions to 0.
To fix it so you that don't have problems like these, users should group their variables and, lists when they can. And use the SetUpEditor command when make lists. Just little things solve a lot of head aches later on.
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