Question about Casio FX-115ES Scientific Calculator

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How do you turn off the fraction output. I want just a decimal output

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Hello,
When you have a fraction output, press the [S<->D] key to convert to decimal, the same key to convert from decimal to fraction. Beware that fraction results are exact, while decimal values are approximate.
However if you cannot stand the sight of a fraction, there is a way to get rid of this type of output.
Here is how you do it.

[SHIFT][MODE][2:LineIO]. All your results will be in decimal. However you will lose a lot of functionalities, such as calculating the logarithm in any base, manipulating radicals.
My advice, if you allow, is to activate the [SHIFT][MODE][1:MathIO] and press the [S<->D] whenever you want a result (be it a fraction or radical) in decimal format.
Hope it helps.

Posted on Oct 06, 2009

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Posted on May 26, 2017

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Posted on Jan 02, 2017

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SOURCE: 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

Posted on Dec 08, 2008

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SOURCE: Changing result display from fractions to decimals

Struggled with this and found answer on about page 19 of the instructions on the Internet. Answer also appear on paper instructions under: "Displaying Calculation Results...etc just under "Note" Trick is you must have calculator in "LineIO" mode For setting MODE see "Calculation Modes & cal. Setup in paper instructions.

Posted on Sep 01, 2007

  • 1 Answer

SOURCE: fractions appear when I divide; not decimals

press 'yellow key' then press 'enter' to see answers in decimal format instead of fractions

Posted on Sep 10, 2008

  • 6 Answers

SOURCE: 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.

Posted on Sep 20, 2008

supportthe85
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SOURCE: fractions multiplied by fraction to get fraction

In the CATALOG there is a >Frac command that can be used with parentheses to multiply fractions.
(1/2)(1/3)>Frac
1/6

Posted on Nov 25, 2008

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1 Answer

My new casio fx-300ES calculator outputs answers as a fraction... how can i change the output to a decimal point?


To change a displayed result into a fraction, press the [S=D] key.
To force a result to be displayed as a decimal number before it is displayed, press [SHIF][=] instead of [=].

Aug 15, 2011 | Casio fx-300ES Calculator

1 Answer

While using Casio fx-300ES , I am unable to get answers in decimals. For eg. 3/10...should give 0.3, but the answer is again displayed as 3/10. any way to solve this issue?


The calculator has two Input/Output modes: MathIO and LineIO.

LineIO
LineIO is the old way of entering numbers in calculators and results are always displayed as decimal numbers. Some calculators have a fraction feature and would convert a fraction to a decimal number and back.

MathIO
In MathIO you enter expressions as you would by hand or as you see them written in textbooks.
In this mode, results are by default displayed as fraction or fractions/ radicals.
Conversion
To convert the fraction/radical to decimals you just press the [SD] key. If you press again you cycle through all the available display formats.
So you can (if you want) use the MathIO to manipulate expressions and convert only the last result to decimal. By the way, fractions and radicals are generally more accurate than their decimal representations.

SetUP
If however seeing fractions and radicals is too painful, just set the LineIO as your default mode. To do so press [SHIFT][MODE] to open (SETUP), then select [2:LineIO]

Feb 17, 2011 | Casio fx-300ES Calculator

1 Answer

When i add 12.3 + 12.3 I get the anwser in fraction form instead of decimal form.


If the result is already calculated and displayed, press the [S<=>D] key It will convert a fraction or radical to decimal. This is always possible. If the result is decimal it may be converted to a fraction or a radical (Not always possible).

If the expression to be evaluated is still in the command line and you have not pressed the [=] key, you can force the result to be displayed in decimal format by pressing [SHIFT][=] instead of just [=].

More permanently. If you do n o care for fractions and radicals, set the Input/Output mode to LineIO. To do do press [SHIFT][MODE] to access the (SETUP) screen and select [2:LineIO]

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

2 Answers

How do you set the calculator to give solutions in decimal form?


If the result is already calculated and displayed, press the [S<=>D] key It will convert a fraction or radical to decimal. This is always possible. If the result is decimal it may be converted to a fraction or a radical (Not always possible).

If the expression to be evaluated is still in the command line and you have not pressed the [=] key, you can force the result to be displayed in decimal format by pressing [SHIFT][=] instead of just [=].

More permanently. If you do n o care for fractions and radicals, set the Input/Output mode to LineIO. To do do press [SHIFT][MODE] to access the (SETUP) screen and select [2:LineIO]

Jun 24, 2010 | Casio FX-115ES Scientific Calculator

1 Answer

When dividing the display outputs the answer in fractions but I want the default to display in decimal


If the result is already calculated and displayed, press the [S<=>D] key It will convert a fraction or radical to decimal. This is always possible. If the result is decimal it may be converted to a fraction or a radical (Not always possible).

If the expression to be evaluated is still in the command line and you have not pressed the [=] key, you can force the result to be displayed in decimal format by pressing [SHIFT][=] instead of just [=].

More permanently. If you do n o care for fractions and radicals, set the Input/Outpout mode to LineIO. To do do press [SHIFT][MODE] to access the (SETUP) screen and select [2:LineIO]

May 20, 2010 | Casio fx-300ES Calculator

2 Answers

How do you change from fraction form to decimal form


Once a result is displayed you can convert it from fraction to decimal by pressing the [S<=>D] key.
Alternatively, press the keys [SHIFT][=] to get a result instead of just [=].
You can also configure Input output mode of calculator to LineIO and you will not get fractions nor radicals, just decimals.
To set LineIO as the default IO mode press [SHIFT][MODE][2:LineIO].

May 18, 2010 | Casio FX-115ES Scientific Calculator

1 Answer

How to get answer in decimals instead of fraction


if you do not want to change your settings There are two ways to foecr calculator to display a result in a decimal format.
  1. Before pressing the [=] sign to get the result press [SHIFT] key. thus [SHIFT][=] displays a result in decimal format.
  2. If a result is already displayed and it is not in decimal format (fraction or radical) press the [S<=>D] key to convert it to decimal.
  3. The [S<=>D] key toggles between formats (fraction/radical to decimal and from decimal to fraction or radical depending on the format used in calculation.)
  4. That does not mean that every decimal number can be converted to fractions/radical.
If you want to have all results in decimal format you can configue your calculator to always do so. All it takes is to set LineIO as the default Input/output format.
Press [SHIFT][MODE] to access (Setup) and select [2:LineIO].

Just in case you want to revert to the other IO mode (MthIO)
Press [Shift][MODE][1:MthIO]

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

1 Answer

How do you make it so the answer is decimals not fractions


If you do not want to see fractions and radicals anymore just set the calculator input output (I/O) mode to lineIO:
Press [SHIFT][MODE](SETUP) and select [2:LineIO].

If, however, you appreciate the functionalities of the MathIO that allow you to manipulate fractions, radicals, and other nifty things you could not do before, but just want your final results to be in decimal fornat that can be arranged too.
Here is how
  1. Set the I/O mode to MtahIO: Press [SHIFT][MODE][1:MthIO]
  2. Enter your expressions, and when you are finished press [SHIFT][=]. Your result will be in decimal fornat.
  3. Alternatively, you can calculate your result in MthIO and convert the fractions/radicals to decimals by pressing the [S<=>D] key, the one located between the [)] and the [M+] keys.
  4. Every time you press that key you toggle the display from fractions/radicals to decimal and back.

Jan 22, 2010 | Casio FX-115ES Scientific Calculator

1 Answer

Answers in decimals


The calculator has two Input/Output modes, MthIO and LineIO. In MthIO the results are displayed as fractions or as radicals or a mixture of fractions and radicals. What it means, is that in MthIO the calculator does exact calculations. Radicals in denominators are gotten rid of by rationalization, fractions are reduced to the same denominators before addition or subtraction. Fractions are reduced to simplest form.

In LineIO all results are displayed as decimal numbers.

If a result is exact (fractions and radicals) it can be changed to decimal form by pressing the S To D key, the one above the DEL key.

MthIO is the default IO mode. To set it, press SHIFT MODE and select 1:MthIO. To set LineIO as the IO mode, press SHIFT MODE and select 2:LineIO

Jan 20, 2010 | Casio FX-115ES Scientific Calculator

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