Converting Decimals To Percent-With The GED Calculator (TI-30XS)

On the GED Math test, there will be a few questions asking for converting decimals to percent, or the other way around.

This type of math problem is a piece of cake for your GED (TI-30XS) calculator when you use the convert to percent key. So let’s see how it works.


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The convert to percent key is in green, and it’s located above the right parenthesis.

It means that it works in combination with the 2nd key.

Here is the task: Convert 8.52 to a percent.

Type 8.52 and press enter. Now press the second key, and choose this button.

Press enter. And here is our result. 8.52 equals 852%.

That was easy, right?

Let’s now convert 28% to a decimal.

To input a percent, we need to use the percent symbol that is in green and above the left parenthesis key, so we will also need to use the second key to activate its function.

Type 28, then 2nd, and now this key, and then punch enter.

The calculator immediately converts 28% to a decimal, and the screen shows that 28% equals 0.28.

So, this concludes our lesson related to calculating percents and converting percents to decimals and decimals to percents. This lesson is included in our free online GED classes and is part of our free TI-30XS Calculator Series.

You can continue with the following lesson about Calculating Fractions with the TI-30XS if you click on the link above.

You may also benefit from our other free online GED classes that cover the four GED subject fields of Science, Language Arts, Math, and Social Studies.

Next Lessons:  Calculating Fractions with TI-30XS

This lesson is a part of our GED Math Study Guide module.

For the complete GED Calculator Course, check our Onsego GED Prep.

Last Updated on February 14, 2024.