# Fractions how do i do all forms of fractions on my scientific calculator

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• Anonymous Feb 22, 2009

need intructions how to enter fractions on ti-89

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• Sharp Master

I checked the manual for the EL-501W calculator and I found out that it does not do fraction calculations. However yours may be able to. Look for a key labeled [a b/c] and a [2ndF] key [d/c].

If you have them then you can calculate with fractions.

The way to use the [a b/c] key is as follows
15 [a b/c] 7 [a b/c] 19 [a b/c] should allow you to enter 15 and 7/19.
A mixed fraction can be converted into an improper fraction by pressing [2ndF][d/c]

Posted on Jan 30, 2010

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Posted on Jan 02, 2017

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From the other question posted it appears that your problem is not with the scientific display, rather it is with decimal representation (approximate) or fraction/radical (exact). representation.
If your results are in fraction/radical form press the [S<>D] key to switch from one to the other.
The calculator is by default in the MATHIO t output mode: results are in fraction/radical form.
If you don't like to work with this mode just change the IO mode to LineIO. To do so, press [SHIFT][Mode](Setup) and selct 2:LineIO

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Your problem is not with the scientific display, rather it is with decimal representation (approximate) or fraction/radical (exact). representation.
If your results are in fraction/radical form press the [S<>D] key to switch from one to the other.
The calculator is by default in the MATHIO t output mode: results are in fraction/radical form.
If you don't like to work with this mode just change the IO mode to LineIO. To do so, press [SHIFT][Mode](Setup) and selct 2:LineIO

Oct 07, 2013 | Casio fx-300ES Calculator

### How do i simplify ratios using casio scientific calculator fx-991ms

If you enter the ratios using the fraction entry key ( [a b/c] the results will be displayed as fractions. And when the calculator displays fractions they are always in their reduced form.
In general, when you are manipulating fractions ( Pi/2 is no a fraction even if you write it as one) you can try to simplify them by looking for the greatest common factor (GCF) of the numerator and denominator. When you simplify by the GCF the fraction that is left is in its reduced form.

Jun 14, 2012 | Casio Office Equipment & Supplies

### How to simplify ratios using scientific calculator fx-991ms

If you enter the ratios using the fraction entry key ( [a b/c] the results will be displayed as fractions. And when the calculator displays fractions they are always in their reduced form.
In general, when you are manipulating fractions ( Pi/2 is no a fraction even if you write it as one) you can try to simplify them by looking for the greatest common factor (GCF) of the numerator and denominator. When you simplify by the GCF the fraction that is left is in its reduced form.

Jun 14, 2012 | Casio Office Equipment & Supplies

### Can a casio fx-115es reduce fractions

Yes. Simply enter the fraction and press =. If the calculator is in the MathIO mode it will display the fraction in its simplest form. If you're in the LineIO mode, press the S--D button to convert the decimal to fraction.

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To convert a single value from fraction to decimal, press SD. To have all results come out in decimal, press SHIFT MODE 2 to select LineIO mode.

Sep 15, 2010 | Casio FX-115ES Scientific Calculator

### I can't get the answer to display in decimals only fractions.

For converting answers in decimal to fraction or fraction to decimal there is a S<->D key above delete key.If the answers is in fractional form press this key and it will be converted to decimal form.

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### How to convert fraction to decimal

You can convert between Standard Form (with fractions and pi) or Decimal form by using the "S<->D" button. Use Mode 1 if you mostly prefer fraction answers and you can use the SD button to convert to decimal or use Mode 2 if you mostly prefer decimal answers and use the SD button to see the fraction.
I hope this helps and good luck!

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