Question about Texas Instruments TI-84 Plus Calculator
Posted by Anonymous on
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Posted on Jan 02, 2017
Some old configuration settings, or old variables are spoiling your fun. Clear the RAM and start again.
Hope it helps.
Posted on Sep 29, 2009
If the message appears when you try to graph functions deactivate the statistical plots. To do so:
Press [2nd][Y=] to access (STAT PLOTs)
Select [4:PlotsOff] then [ENTER]
That should solve your problem. Post a comment to this thread if you still have trouble graphing.
If the message appears in another context, it sure would help knowing the context of the error.
Posted on Apr 19, 2010
Imagine you are doing statistical calculations with two list, say L1 and L2 but one list has 10 elements (values) while the other has only 9. The dimension of the lists are different (mismatched) because one is 10 and the other 9.
Another case is if you are manipulating matrices such as adding a3x3 matrix to 3x2 matrix. Both matrices have the same number of rows but different numbers of columns.
Posted on May 21, 2010
Certain mathematical entities have so called dimensions: A list has a
dimension, which is the number of elements in the list. Matrices also
have dimensions which are the number of rows, and the number of columns.
If you are doing paired variable statistics, the data is in two lists and if the number of elements in one list is not equal to the number of elements of the the other, the dimension are not matched (equal), and calculator will give you dimension mismatch in any calculation that involves BOTH list.
The problem with your question is that you do not say what you were trying to do and I will have to guess or read your mind.
I suggest you reset the RAM to erase any old configuration that may be interfering with what you want to do.
Posted on Jun 20, 2010
You're probably trying to graph a function that does not involve stat plot features. You can correct this by turning off the stat plot features. Press "2ND" "STAT PLOT" and then select 4:PlotsOff.
Posted on Sep 09, 2010
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