Question about Texas Instruments TI-30XA Calculator

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Basic Q's I've read the user manual and the tips and tricks paper that came with the calculator but I still can't seem to understand how to do these 2 things. 1. display things like 9 to the 16th power or 3 to the 12th power I can only do like 10 to the 9th power, 10 to the 7th power, etc... 2. store and recall a constant is it possible to store a value and then instead of having to continually retype in the value just press something to bring the value up again (for adding long strings of numbers...) Thanks!

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The LOG and LN keys do what you have done.

To get 9 to the 16th power, enter 9, "y to the power x" (under the OFF key) then 16, then =

3 to the 12th power is the same, enter 3, y to the power x, 12, =, result 531,441

The inverse key sequence: value 1, 2nd, y to the power x, value 2, returns the xth root of y, e.g. 531,441, 2nd, y to the power x, 12, =, gives you 3 back

Posted on Dec 31, 2008

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