Question about Texas Instruments TI-83 Plus Calculator

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Once you plug in a fraction problem and the calculator gives you a decimal as the answer, what button do you push to turn the decimal into a fraction?

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It's not a single button. Press MATH to bring up the math menu, then press 1 to select the >Frac command.

Not all numbers can be converted to a fraction, for example if the denominator is more than three digits.

Posted on Mar 23, 2011

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Hi, I have a Sharp ELW535 Calculator and by accident I changed the mode that it is in... so now it gives me a fraction answer and not decimal. Ex, I put in 52/48 it gives me 1 1/12 Do you know how to fix...


There is nothing to fix as what you describe is not a flaw, it is a feature. You calculator has a key marked CHANGE between (x,y) key and ) key. To change a result from fraction to decimal or from decimal to fraction, you press the CHANGE key.

Sep 05, 2011 | Sharp ELW535 Calculator

1 Answer

TI-89 decimal to fraction


Here is what you do:

1) Press the Mode button.
2) Scroll down the list that appears until you find "Exact/Approx".
3) Change the setting for "Exact/Approx" to Exact.
4) Press enter to save the settings change.

You have three possible settings for "Exact/Approx":
1) Auto - The calculator will try to determine the best format.
2) Exact - The calculator will always give the answer in fraction form.
3) Approximate - The calculator will always give the answer in decimal form.

Nov 15, 2009 | Texas Instruments TI-89 Calculator

1 Answer

When I divide the answer is in fraction form not decimal form how do i get it back


There are two options.

1) Whenever you want the answer in decimal form, place a decimal after at least one of the numbers.
For example: instead of using (1/2) use (1/2.)

2) Press the "Mode" button. Scroll down the list that appears until you find "Exact/Approx". If you set it to "Approximate", then it will always give the answer in decimal form. If you set it to "Exact", it will give the answer in fraction form.

Nov 12, 2009 | Texas Instruments TI-89 Calculator

2 Answers

Reset calcuator


try this, press shift mode, then line 10. It will make it permanent. the answer will always be in decimals. if you are using a casio with ES models.

Jun 14, 2009 | Office Equipment & Supplies

3 Answers

When putting in a simple problem like dividing 3/15, I get a fraction answer of 1/5. What am I doing wrong?


Or you can press the [S<->D] button (right above the DEL key) and it will switch between fractions and decimals. Or alternatively you can take it out of COMP mode and put it in STAT mode.

Mar 29, 2009 | Casio FX-115ES Scientific Calculator

1 Answer

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

2 Answers

Is answering in fractions, and I'd like decimals.


what you do is click on the 'mode' button and go down to the 'Exact/Approximate' parameter and choose Approximate. hit enter and you're good.

Aug 21, 2008 | Texas Instruments TI-89 Calculator

2 Answers

How do I get decimal answers


I had the same problem. To change the output to decimals, do the following:
Go to Math mode, then SHIFT, MODE (set-up), 2 (lineIO). This will cause answers to show in decimal format. I hope this helps.

I was able to find a manual at: http://www.generalmanual.com/Calculators/Casio-FX-300ES-Scientific-Financial-Calculator.htm

Nov 06, 2007 | Casio fx-300ES Calculator

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