# Can you convert a decimal to a fration on the fx-300MS scientific calculator? If so how?

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To convert a fraction to a decimal or a decimal to fraction you use the [a b/c] key.
While converting a fraction to a decimal number is always possible, converting a decimal to a fraction may, at times, not be possible.

Posted on Sep 11, 2010

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Posted on Jan 02, 2017

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## Related Questions:

### My casio fx-300MS keeps rounding how do I shut this off?

To shut calculator OFF press the [SHIFT][AC] key sequence.
To prevent the calculator from rounding off, choose the Normal display or the FIX with 3 or 4 decimal digits.

May 07, 2014 | Texas Instruments TI-30X-IISTK Scientific...

### I am using my Casio fx-300MS and have somehow gotten into the display where it puts my answers in exponential form; 5+5 = 1.0 exp10 to the 1. How do I return to getting my answers in standard form?

Display Format

To change the exponential display format, press the [MODE] key 3 times.

Fixed number of decimal places:

Press 1: Scientific Notation: 0

Press 2: SCI: 0

Press 3: NORM

You will then be prompted for NORM 1 or NORM 2. CHOOSE NORM 1

To return the calculation mode and setup to the initial defaults, press [SHIFT] [CLR] [2]

[=]. This will return the calculator to the following settings:

Calculation mode COMP

Angle unit Deg

Exponential display format Norm 1

Fraction display format a b/c

Decimal point character Dot

Percentage Calculations

Apr 13, 2011 | Casio FX-300MS Calculator

### How do i convert fractions to decimals on my casio FX-115ES calculator?

To convert a single result to decimal, press the S--D key. To have all results come out in decimal, press SHIFT MODE 2 to select the LineIO mode.

Oct 28, 2010 | Casio FX-115ES Scientific Calculator

### How do i get my calculator to stop displyaing 15!/5! as 1.08972864*10*10?

You don't. The calculator can display only ten digits in a number. This number has eleven digits to the left of the decimal point, so the only way the calculator can display the most significant digits is to switch to scientific notation.

Oct 06, 2010 | Casio FX-300MS Calculator

### How do I simplify radicals using a CASIO fx-991MS?

To convert a single result to decimal, press the SD key. To have all results come out in decimal, press SHIFT MODE 2 to select LineIO mode.

Sep 22, 2010 | Casio FX-300MS Calculator

### How to convert fractions to decimals

To convert fractions to decimals, and decimals to fractions use the [a b/c] key. If the total number of symbols (num, denom, fraction bar) to display a fraction exceeds 10, the fraction is automatically converted to decimal format.

Jul 19, 2010 | Casio FX-300MS Calculator

### How do i change a decimal into a fraction on a casio 300ms

Assuming the number is something that the calculator can convert to a fraction, press the S--D key.

May 07, 2010 | Casio FX-300MS Calculator

### Cant get answers in decimal format, I would like to set up my casio fx83es so that the answer is in decimal format all the time.

Hello,
To make sure that results are always in decimal format, put a decimal mark (point) at the end of one integer.
ex: 1./2 or 1/2. or 1./2. display as 0.5, so does 1. + 1/2
To convert from decimal to fraction and from fraction to decimal press a b/c
To convert from proper to improper fractions use [SHIFT][d/c]
Hope it helps.

Oct 04, 2009 | Casio fx-300ES Calculator

### Convert to/from Decimal/Binary

Press MODE 4 to enter the BASE-N mode. If the display doesn't say Dec, press SHIFT DEC (the x^2 key) to set base 10. Enter the number to convert. Press SHIFT BIN (the log key) to switch to base 2.

Each time you switch the base the current value is redisplayed in that new base.

Feb 07, 2009 | Casio FX-115ES Scientific Calculator

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