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Select the Math input/output mode by pressing SHIFT [SETUP] 1.

[SETUP] is the shifted function of the MODE key, located just right of the round cursor pad.

Posted on Jan 01, 2014

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Posted on Jan 02, 2017

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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.

Posted on Aug 04, 2012

SOURCE: on my casio fx-82au plus calculator it won't

I have a casio fx-82Au calculator.

When I do a square root equation it gives me a decimal answer.

How do i get it to show as a surd

I have tried using the button s<>d and it is not working. Please help!!

Posted on Oct 21, 2013

Looks like <Shift><Mode> <down arrow> <1>

Give it a shot. I have attached the manual.

Good luck.

Paul

http://support.casio.com/pdf/004/fx-115ES_991ES_Eng.pdf

Give it a shot. I have attached the manual.

Good luck.

Paul

http://support.casio.com/pdf/004/fx-115ES_991ES_Eng.pdf

Oct 06, 2015 | Casio Brand New-Fx-991es Plus - Scientific...

See the attached link below for your manual in PDF

May 21, 2014 | Casio Brand New-Fx-991es Plus - Scientific...

This is a good scientific calculator that can do a lot, but things in the realm of a CAS (Computer Algebra System) are beyond its capabilities.

Apr 23, 2014 | Casio Brand New-Fx-991es Plus - Scientific...

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.

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

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.

Aug 04, 2012 | Casio Brand New-Fx-991es Plus - Scientific...

Press the S--D key to convert a value between decimal and symbolic forms. Keep in mind that the calculator has limits on the number of digits in the numerator and denominator.

Oct 13, 2011 | Casio FX-115ES Scientific Calculator

The calculator can't identify that this is a surd unless you input it as a surd, ie as 3/(4*sqrt(5))= when it will then show the equivalent form 3*sqrt(5)/20 (obtained by multiplying top and bottom by sqrt(5)) and you can swap between the two forms using the S<>D button. Even adding the next 4 decimal places (hidden) won't allow the calculator to identify the underlying surd as this is simply too complcated a calculation.

Jun 08, 2011 | Casio FX-115ES Scientific Calculator

To convert a single value to/from fractions, press the S<>D key.

To get all answers in decimal form, press SHIFT [MODE] 2 to select LineIO mode.

To get all answers in decimal form, press SHIFT [MODE] 2 to select LineIO mode.

Aug 16, 2010 | Casio FX-115ES Scientific Calculator

Hi,

You are not specifying the brand and model number of your calculator and that makes things more difficult for me. On the Casio calculators (FX-300ES, FX-115ES, FX-991ES) there is key labeled [S to D] which toggles between Fractions/Radicals To Decimals.

On other calculators (Sharp), the key may be labeled F To E.

You should look for a key that has two letters with a two-sided arrow linking the letters.

Why I even try to answer a question that lacks basic information and give the opportunity to the asker to shoot me dead is beyond me.

Anyway, I hope it helps.

You are not specifying the brand and model number of your calculator and that makes things more difficult for me. On the Casio calculators (FX-300ES, FX-115ES, FX-991ES) there is key labeled [S to D] which toggles between Fractions/Radicals To Decimals.

On other calculators (Sharp), the key may be labeled F To E.

You should look for a key that has two letters with a two-sided arrow linking the letters.

Why I even try to answer a question that lacks basic information and give the opportunity to the asker to shoot me dead is beyond me.

Anyway, I hope it helps.

Dec 10, 2009 | Casio Office Equipment & Supplies

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