Question about Texas Instruments TI-89 Calculator

# How to enter 7th root of 45,235? - Texas Instruments TI-89 Calculator

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• Texas Instru... Master

You've got several different ways of doing this.

45235 ^ ( 1 / 7 ) ENTER

root(45235,7) ENTER

And, of course, you could always take the logarithm of 45235, divide it by 7, then take the antilog:

diamond e^x 2nd LN 45235 ) / 7 ) ENTER

If you get a symbolic result rather than a numeric one, press diamond ENTER.

Both LN and e^x are on the X key, just below HOME. You can access the root function through the catalog, the MATH menu, or simply spell it out.

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Posted on Jan 02, 2017

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**UPDATED 7th May 2009*

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7th root of 3.4 x10 (exp) 23

Solution:

Try it.

Thanks,
-engrkoiled-

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Hello,
You want to isolate g, Ok. Start stripping it of all extraneous factors, by doing the inverse of each operation.
1. There is a 1355 multiplying the term with g: I divide by 1355 to get

(1+g)^7=20000/1355 = 14.7601476

2 The expression containing g is raised to the 7th power. So I do the inverse operation which is to extract the 7th root. If my previous result is still in [Ans] memory I write on my

(1+g) =[Ans][^](1/7) that gives 1.468970104

3. Now g is an expression that involves and addition. I perform a subtraction: I subtract the number 1. Assuming that my last result is still in [Ans] memory (I did not perform any other operation)

g=[Ans]-1 that gives 0.468970104

Hope you find this more instructive than just giving you the answer.

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Hello,
The square root has a dedicated key sequence [2nd][V square root symbol]
Square root of 21.2846 is entered [2nd][V square root] 21.2846 [ENTER] .
The result is`4.614.
I suspect you want to calculate the 4th root of 21.2846. If it is the case you enter that as
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Square root can be also entered as [^](1/2)
Cube root is entered as [^] (1/3)

..
nth root is entered as [^](1/n)
Hope it helps.

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