# How do I get my casio fx300es plus to give me square root answers instead of decimal?

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Posted on Dec 22, 2018

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To calculate the square root use the square root key, three rows above the "8" key.
If you want to see the result symbolically, press SHIFT MODE 1 to select the MthIO mode. Bear in mind that the calculator can only show some results symbolically.

Posted on May 02, 2013

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Posted on Jan 02, 2017

press the [S<->D] button. it's directly above the DEL key.

Posted on Apr 22, 2009

SOURCE: square roots

You can't, sorry.

Posted on Jul 08, 2009

If the result is already calculated and displayed, press the [S<=>D] key It will convert a fraction or radical to decimal. This is always possible. If the result is decimal it may be converted to a fraction or a radical (Not always possible).

If the expression to be evaluated is still in the command line and you have not pressed the [=] key, you can force the result to be displayed in decimal format by pressing [SHIFT][=] instead of just [=].

More permanently. If you do not care for fractions and radicals, set the Input/Outpout mode to LineIO. To do do press [SHIFT][MODE] to access the (SETUP) screen and select [2:LineIO]

Posted on May 25, 2010

SOURCE: i dont know how to

To calculate a square root you press the square root key. A radical will be displayed. You type in the positive number whose root you want. Press the EXE key.

Posted on Jan 14, 2012

Press SHIFT [MODE] to bring up the mode screen. Press 8 for NORM, then 2.
Bear in mind that if the magnitude of the number is too large or too small the calculator will switch to scientific notation anyway. For example, if a number has twenty leading zeros then it won't fit on the display unless it displays it as a power of ten to the negative twenty.

Posted on Apr 02, 2012

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## Related Questions:

### 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?

Press the Shift/Mode key and set the Input/Output to MathIO.
Even that will not guarantee that the display will be in root form. Only square roots are possible.

May 27, 2018 | Casio Office Equipment & Supplies

### When I cube roots it gives me a decimal instead of a root answer how do I convert or fix this?

Did you ever think of consulting the manual that came with the unit?and if you do not have it, you can always download it from the website.

Nov 10, 2015 | Casio fx-115ES Plus Scientific Calculator

### Not giving proper awnsers for square root questions

Contrary to what you believe, results with square roots are exact. Decimals are approximate.
Press the SD key to convert from standard to decimal representation.

Sep 03, 2015 | Casio fx-300ES Plus Scientific Calculator

### How do i find the square root of a number on the casio scientific calculator

If, for example, you're getting the square root of 3 as the square root of 3, press the S-D button (just above the DEL) button to convert the symbolic result to a decimal result.

If you want all results to come up in decimal, press SHIFT SETUP 2 to select the LineIO mode.

Feb 03, 2015 | Casio fx-115ES Plus Scientific Calculator

This calculator can show the results in radical form if it involves square roots. The 4th root of 243 is 3 times the fourth root of 3, which unfortunately is beyond the calculator's capabilities to display in radical form. Try taking the fourth root of 3 (or equivalently, the square root of the square root of 3) and you'll see the calculator display the result in decimal.

Feb 06, 2013 | Casio Office Equipment & Supplies

### On my casio fx-82au plus calculator it won't

The capability of these calculators to handle irrational numbers in radical form is limited to square roots. Roots of index other than 2 are always displayed in their decimal representation.
If the calculator IO mode is set to MathIO, square roots will be displayed with the radical symbol. More complicated expressions with square roots might not be preserved and will be given as decimal numbers.

Oct 31, 2012 | Office Equipment & Supplies

### How do I get the answer into another square root. for example- Square root of 6 times square root of 15 is 3 times the square root of 10. But on the Casio FX9750GII it comes up as a decimal, how do i...

You cannot. The calculator does not have the Natural Display (math display) feature. I have heard that you can flash it with the OS of an FX-9860GII. At your own risk.

Sep 16, 2011 | Casio FX9750GII Graphic Calculator

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