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How do you punch in numbers to to figure out 2 to the 12 power

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2 (exp) 12 =

or

2 (^) 12 =

This, of course assuming your calculator uses AOL and not RPN .

Posted on Mar 02, 2009

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I have DEG on the calculator screen and get figure out how to turn it off??


Press the DRG key to cycle through the three angle modes. Be aware that whatever mode you select, the corresponding indicator will appear on the screen.

The angle mode should not affect the exponential and logarithmic functions. If you still get errors, please post an example or two, including the exact keystroke sequences.

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Press SHIFT MODE 6 then select the desired number of digits after the decimal point. Alternatively, press SHIFT MODE 7 then select the desired number of significant digits.

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When I punch (-2) to be squared I get a negative number instead of a positive number


You must enclose the negative number between parentheses. (-15)^2 will give 225 because it is the whole content of the parentheses that is squared. However if you write -15^2 the result is -225.Check the key stokes.

Jun 02, 2011 | Texas Instruments TI-30XA Calculator

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When I try to get an exponential of a number by pressing eex I get figure 1 and some 00 at the end of the right corner


The EEX key is used to enter the exponent of a power of 10. To raise e (the base of natural logarithms) to a power (exponentiation) press [g][e^x]: You enter a number (the exponent) then [g][e^x] and the result will be displayed.

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The TI-84 Plus Silver Edition - when dealing with roots and powers - how do you punch in the third root of or the fourth root of... also, how do you punch in ...the 3rd root of 8 cubed? or the 2nd root of...


Press the MATH key to bring up the Math menu. Option 3 gives you cubed, option 4 gives you cube root, option 5 gives you nth root.

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Apr 01, 2010 | Texas Instruments Office Equipment &...

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How do I do square roots?


if there is a square root symbol on one button than use that.
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I am trying to set time and date on a calculator


OK, I bought one over the weekend just for chuckles. I figured it out.
On the top of the calculator there is a key that shows a little clock. Punch it once and the date appears...like 01-01-2000 or somesuch. Press it again and the time shows up..

Hold the time set key (=) down for a second until the first zero starts to flash. All you have to do is start punching in the time. When you are done press the time set key again. Voila!

Punch the key with the little clock again and the date shows up. Hold down the time set key for a second like explained above until it starts flashing. Enter the date with the key pad numbers. Done!

I couldn't figure this out either till I looked above each key (didn't notice what it said). Anyway, look real close.

Hope it works out for all and everyone finds this solution...

CMHIMG

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1 Answer

Inputing Scientific Numbers


If you mean using the "EE" key it's straightforward.

To enter scientific numbers, enter the number, then press EE, then the exponent value. The TI-30XA will stay in scientific display until you "clear" or turn it off. It will also switch to scientific notation if you multiply big numbers that exceed the display.

E.g. Input 3, EE, 10, X, 3, EE, 10, =, gives you the answer 9 times 10 to the power 20. Press the "square root" key and you will get back 3 times 10 to the power 10.

You can mix entries too, e.g. 3, EE, 10, X, 2, =, gives you 6 times 10 the power 10....

Nov 29, 2008 | Texas Instruments TI-30XA Calculator

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