Question about Texas Instruments TI-89 Calculator

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Can I enter a formula like this 5/500=2/x and get an answer.

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Yes you can. Use the Solve( function. You will find it under Math

Posted on Sep 13, 2010

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How to make this operation in my texas instruments TI-30XA 3.55*10(to the 24)


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Instead of entering 3.55*10^24, enter (10^24)*3.55

Note: 10^24 is 10 to the 24.

Here is the procedure:
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Sometimes when I use a formula in Excel 2003 it will not calculate - it is as if the formula does not exist. an additional problem is that when the formula works it will not calculate several columns if...


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In Excel adding positive and negative numbers


Yes,


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Make sure that the cell is formatted as a number, not as text. (Right-click the cell, format cell, number, choose NUMBER.)

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