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# What is the button use to change fractions to decimals and back again?

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Hello,
Don't blame me if I do not give you the right solution for your calculator, whatever brand it may be, but for the Casio calculators FX-115ES, FX-991ES, you use the [S<->D] key.
It sure helps to know what calculator we are talking about.

Posted on Sep 30, 2009

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Posted on Jan 02, 2017

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## Related Questions:

### How to turn a decimal into a fraction

To change a decimal to a fraction using the TI 30, insert your decimal number, then press [2nd][PRB].(the PRB button says F<>D above it for Fraction <> Decimal)

May 03, 2011 | Texas Instruments TI-30 XIIS Calculator

### How do you change decimals to fractions on a casio

If you enter an improper fraction or a mixed fraction with the the [a b/c] key it will be displayed as a fraction. This result being displayed you can press the [F-D] key to convert the fraction to decimal. If you do nothing else and you press the [F-D] key again, the original fraction will be restored.

However, it seems that you cannot enter an arbitrary decimal number and convert it to a fraction. The [F-D] key seems to work one way : from a fraction to a decimal number. You will only recover a fraction if the original number was a fraction.

Jan 19, 2010 | Casio FX-9750GPlus Calculator

### When I try to compute a problem such as 6.11 + 6.11 instead of getting 12.22 i get a fraction

Hello,

If you call a simple addition a problem it is no wonder that everything seems so difficult.
When you calculate the sum 6.11 +6.11 , the calculator gives you a fraction reduced to it simplest terms, 611/50. The result is correct, but it happens that you want it expressed as a decimal rather than a fraction. To fix that all you have to do is to press the button [S<->D] above the red [DEL] key. It allows you to toggle the display format between fraction and decimal.
611/50 [S<->D] changes display to 12.22 and if you press the key again you go back to fraction
12.22 [S<->D] 611/50

Similarly, if you enter square root of 2 and it displays as a radical, you convert it to a decimal by pressing the key [S<->D].

The fraction and radical formats allow you to do exact claculations. But if you do not want to hear about that you can just press [SHIFT][MODE][2:LineIO] : Your calculator will do things the old way, but you will lose some important functionalities.
My suggestion is to set the default mode [MathIO] by pressing [SHIFT][MODE][MathIO] and to press the [S<->D] key to convert to decimal.

Hope it helps.

Sep 30, 2009 | Casio fx-300ES Calculator

### Can the TI-30X iiS convert decimals to fractions and if so how?

type the decimal you want to convert then press math button scroll down to were it says frac which means fraction then press enter on frac then press enter again to solve and to change it to a decimal type the fraction and press dec instead

Aug 23, 2009 | Texas Instruments TI-30XA Calculator

### I've tried again and again to reset my calculator so that it will answer problems like 7.4 x 2 as a decimal and not 74/5. It got in the way of first my college algebra work and now it's slowing down my...

Hello,
When you calculate the product 7.4 x2, the calculator gives you a fraction reduced to it simplest terms, 74/5 . The result is correct, but it happens that you want it expressed as a decimal rather than a fraction. To fix that all you have to do is to press the button [S<->D] above the red [DEL] key. It allows you to toggle the display format between fraction and decimal.
74/5 [S<->D] changes display to 14.8 and if you press the key again you go back to fraction
14.8 [S<->D] 74/5

Similarly, if you enter square root of 2 and it displays as a radical, you convert it to a decimal by pressing the key [S<->D].

The fraction and radical formats allow you to do exact claculations. But if you do not want to hear about that you can just press [SHIFT][MODE][2:LineIO] : Your calculator will do things the old way, but you will lose some important functionalities.
My suggestion is to set the default mode [MathIO] by pressing [SHIFT][MODE][MathIO] and to press the [S<->D] key to convert to decimal.

Hope it helps.

Jun 25, 2009 | Casio fx-300ES Calculator

### When I divide answers are always given in Fractions. Can I change it to come out in decimals?

To change from Fraction display to Decimal display on the Casio fx-300ES (and probably other calculators)

1) Press the "SHIFT" button
2) Press the "MODE/SETUP" button
3) Press the "2" button
This Changes it to LINEIO (Decimal)

Doing all of the above but pressing the "1" button instead of the "2" puts it back into MATHIO mode (Fraction)

Hope this Helps

(SHIFT)(MODE/SETUP)(2) to change to decimal

Nov 07, 2008 | Casio fx-300ES Calculator

### From fraction to decimal form

yo whatz good playa.. just click Shift, mode, then click 2.

Oct 01, 2008 | Casio FX-115ES Scientific Calculator

### Casio fx-83ES

there is a button SD close to AC button, standard - decimal try it .......or
shift+mode format math IO, change it to the other option

Jan 02, 2008 | Casio fx-300ES Calculator

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