When I raise numbers to fractional Powers on my Casio calculator It gives it back in decimal form. How do i switch it to give answers as a surd?

SOURCE: I have a Casio fx-300ES

I understand your frustration, but believe me there is nothing wrong with your calculator. You just have to invest a minimum amount of time to familiarize yourself with its powerful capabilities.
No matter. Your calculator has to input output modes. MathIO and LineIO. MthIO is new and it allows you to enter expressions as if you were doing it by hand (like in textbooks). LineIO is the old way.

In MthIO your displayed results are fractions or radicals (roots) or a mixture of the two. BUT if the screen cannot fit the fraction or radical form, the calculator will use decimal to display the result.

In LineIO you only have decimals results.

To get fraction or radical results configure the calculator to use MthIO. In this mode, if you want a result converted to decimal, just press the SD key. It will toggle between the two.

To set MthIO, press [SHIFT][MODE] and select [1:MthIO]
To set LineIO, press [SHIFT][MODE] and select [2:LineIO]

SOURCE: I have a casio fx-300ES

Hi suebie50

Have a great day.

To change the output to decimal form, you can do the following:
Go to Math mode, then SHIFT, MODE (set-up), 2 (lineIO).
The answer will show in decimal format.

You can also use this website whenever you have further questions in using you calculator:
http://www.generalmanual.com/Calculators/Casio-FX-300ES-Scientific-Financial-Calculator.htm


Hope it helps.

Thank you for using fixya.

SOURCE: my casio calculator is giving answers always in fraction form. I need to get the answers in decimal form (my calculator is fx-991ES)

To convert a single answer from symbolic to decimal, press the S--D key (just above the DEL key). To have all answers come out in decimal format, press SHIFT MODE 2 to switch to the LineIO mode.

Abigail99

• 4 Answers
• Posted on May 18, 2017

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SOURCE: When I raise a number to the power of a fraction my Casio calculator shows a decimal answer, what setting will put it in surd forms instead?

Change the output display to MathIO. You may be able to display square roots only: so no cube roots, nor fourth...