Question about Texas Instruments TI-30XA Calculator

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IS THERE AN EXP ON THIS TI-30XA. - Texas Instruments TI-30XA Calculator

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EJ Kudelka

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Use the y^x key just above the divide key..

For example, to compute two raised to the third power, press 2 y^x 3 =

Posted on Nov 04, 2010

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Dividing 2 different scientic equations into another

Sorry but you are using the word EQUATION incorrectly. All you have is two numbers you want to divide one by the other.
Enter the numerator 1EE (-) 14, press the division key / then enter the 5 EE (-) 12. Press the = sign.
Note: to enter the negative sign in the exponents, use the change sign key marked (-), (+/-) or [+/-] . Do not use the regular MINUS sign.
When you use the EE key, you must not enter the 10. It is understood because EE is a shortcut for *10^.
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How to type in 10 to the negative eighth ?

Using the general power key marked [X^y], [Y^x], or [^] : Enter 10[^][(-)]8, where [(-)] is the change sign key.
Using the Enter Exponent key, marked [EE], [EEX], [Exp] or [ times (*) 10 to the x] : you type in 10[EE][(-)]8
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Trying to figure out how to do fractions using this

maczbel_1.jpg You can find the entire guide for de TI-30XA following this link: http://education.ti.com/downloads/guidebooks/scientific/30xa/30xa-eng.pdf
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Can i do sigma notation on a ti-30xa calculator?

No. There are some keys on the TI-30XA that may make you think so, but they are statistical operations. For example, you can enter values using the Sigma+ key and the TI-30XA can give you the sum of the values entered, sum of the squares, mean value, standard deviation and so on.

You cannot do calculations like "Give me the sum of all integers from 1 to 100" with the TI-30XA, you'd need a far more sophisticated calculator.
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Where is my exp function located

The y^x key is located just above the divide key.
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How to convert a normal ANSWER to scientific

It's been a while since my TI calculator died, but I think you can just hit EE (may be "exp" on your model) followed by =.
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I need to take nth (8,5,4,etc) root on the TI30XA

7th root of 3.4 x10 (exp) 23

Solution:
e15c387.jpg
Try it.

Have I solve your problem?

Thanks,
-engrkoiled-
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I dont know how to do regression lines on my TI-30XA

You can't, the TI-30XA is a one variable statistical calculator, so you can't do two variable statistics with it.

You need to step up to the TI-35X or the TI-30X IIS
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ANOVA

Nope, the TI-30XA is a one variable stat calculator.

Two variable stat is done OK by TI-36X or TI-30X IIS, also comparable HP or Casios
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