Let’s take a look at how to calculate square roots with the GED Calculator, so the TI-30 XS.
The opposite of squaring a number is called finding the square root.
We can use our calculator to find the square roots easily.
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Look at the keyboard of your calculator and find the sign that looks like this.
It is above the key that says x to the power of 2. So, to activate the function of finding the square root, first, we need to press the second key.
Now, let’s answer this question: What is the square root of 361?
Option A: 26,
or Option B: 19.
Let’s calculate it.
Press the second key, then press this sign. Now, press 361 and click enter.
Our screen shows that the square root of 361 is 19.
Option B is correct.
So this was our free lesson about calculating square roots and squares of numbers as part of the free TI-30 XS Calculator Series of our free online GED classes.
This lesson is a part of our GED Math Study Guide module.
Click on the link above to continue with the next free calculator lesson that addresses Calculating Exponents with the TI-30 XS. Check also our other free online GED classes that address the four academic fields included in the GED exam: Science, Social Studies, Language Arts, and Math.