Question about Texas Instruments TI-30XA Calculator

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Lost instruction on how to use ti-30xa calculator.how to do square root/percent/ratio/proprtion/roots/log

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Here is the link to the calculator manual. It will show you how to do square root calculations, percentages, other roots, and logs. As to ratios and proportions you will have to read your mathematics textbook.

Posted on Aug 26, 2010

  • k24674 Aug 26, 2010

    A ratio of two quantities is obtained by dividing one number by the other. When you say ratio of A TO B you use A / B.

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1 Answer

How do you use the square root on the ti 30xa


Put in the number and press the square-root key (two keys up from the 9 key). For example, to calculate the square root of 4, press 4 square-root.

Feb 12, 2014 | Texas Instruments TI-30XA Calculator

1 Answer

How to do square root on calculator ti 30xa


Use the square-root key, two keys above the 9 key. For example, to calculate the square root of 2, press 2 square-root =

Nov 21, 2013 | Texas Instruments TI-30XA Calculator

1 Answer

Convert square root to decimal TI-30XA


Press 2nd then F--D key(its means left arrow key or left key from zero)

Feb 23, 2013 | Texas Instruments TI-30XA Calculator

1 Answer

How can I find the square root of 39 on my ti-30xa? Also I would like to know how to find the cube of 9482... Help


Square root of 39: Press 3 9 [square-root] =
[square-root] is the key just to the left of the divide key.

Cube root of 9482: Press 9 4 8 2 2nd [cube-root] =
[cube-root] is the shifted function of the 0 key.

For other roots, you can use the [nth-root] function, the shifted function of the key above the divide key. For example, to calculate the fourth root of 16, press 1 6 2nd [nth-root] 4 =

Aug 11, 2011 | Texas Instruments TI-30XA Calculator

1 Answer

Now that I know where the square root button is on my TI-30Xa, how do I calculate a "geometric mean" when the equation inclues a time period? For example the problem is setup like this: 6...


You don't want the square root. In this example, you want the sixth root.

Press 4 5 2nd [xth-root] 6 =

The xth-root is the shifted function of the y^x key, located just above the divide key.

Jun 11, 2011 | Texas Instruments TI-30XA Calculator

1 Answer

I cant figure out how to get the square root of a negative number


The square root of a negative number is an imaginary number, and the TI-30XA does not deal with imaginary numbers.

However, the square root of -x is equal to i times the square root of x. So, to calculate the square root of -4, for example, press 4 square_root = and read 2. Thus the square root of -4 is 2i.

Oct 07, 2010 | Texas Instruments TI-30XA Calculator

1 Answer

Ok im using the Ti 30xa how do i find the square root


1. Type in the number you wish to find the square root of.

2. Press the square root button. It is located to the immediate left of the divide button.

Nov 13, 2009 | Texas Instruments TI-30XA Calculator

1 Answer

Square roots


One way is you get square root by raising to the (1/2) power. For example square root of 16 is
16^(1/2).
You can use this method to get the other "roots" as well e.g. 1/3, 1/4, etc.

Apr 02, 2009 | Texas Instruments TI-30XA Calculator

3 Answers

How to get the square root using a ti-30xa calculator?


Come on now....there are dedicated "square" and "square root" keys on the TI-30XA....

Enter your number e.g. 4, then press the "root x" key to get 2...

Press "x squared" key to get the square of 2 = 4

There's the even more useful "y to the power x" key and it's inverse "xth root of y" key.

E.g. Enter 2, then press the "y to the power x" key, then 5, then =, answer is 32 (2 x 2 x 2 x 2 x 2). Starting with 32, pres 2nd then the "y to the power x" key, then 5, then =, answer is 2, the 5th root of 32....

Dec 01, 2008 | Texas Instruments TI-30XA Calculator

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