Question about Casio FX-115ES Scientific Calculator

I just recently purchased the Casio fx-115es for a math class I am taking. We are starting fractions and I cannot get my calculator to give me an answer. It just restates the fraction or gives me an improper fraction. Is there a special key I have to press to get the correct answer? (I am trying to multiply and divide fractions.)

Hello,

To convert fractions to decimals or decimals to fractions, you use the [S<->D] key. Each time you press the key the result is displayed in the other format.

Alternatively, If you multiply or divide two integer numbers put a decimal mark at the end of one of the numbers (any one). The result will be displayed in decimal format.

Hope it helps.

Posted on Sep 12, 2009

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Posted on May 08, 2015

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Posted on Jan 02, 2017

Press [SHIFT][MODE] to enter (SetUp). Select [2:LineIO] and you will be rid of the MATH Input/Output. You will lose some nifty features, like the stacked fractions, the radicals, but that is your choice.

Cheers.

Cheers.

Dec 02, 2011 | Casio FX-115ES Scientific Calculator

The fx-115ES is a physical device and cannot be downloaded. The manual, however, may be downloaded from here.

Nov 13, 2011 | Casio FX-115ES Scientific Calculator

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.

Aug 18, 2011 | Casio FX-115ES Scientific Calculator

To convert a single value from symbolic to decimal form, press S--D. To have all results come out in decimal, press SHIFT MODE 2 to switch to the LineIO mode.

Aug 01, 2011 | Casio FX-115ES Scientific Calculator

If you want your result to be displayed as fractions, set the Input/Output Mode to MthIO.

Press [Shift][MODE] to enter (Setup)

Select option [1:MthIO]

Press [Shift][MODE] to enter (Setup)

Select option [1:MthIO]

Jan 13, 2011 | Casio FX-115ES Scientific Calculator

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

Jan 11, 2011 | Casio FX-115ES Scientific Calculator

Set the calculator's Input/Output Mode to MthIO. In that mode the key that is marked with the icon of a fraction ( a bar, two rectangles, one above the bar, the second below it) will display the template of a fraction. You are supposed to enter the numerator in the upper rectangle, and the denominator in the lower rectangle.

Jan 11, 2011 | Casio FX-115ES Scientific Calculator

I am not sure what you want because the mathIO mode IS THE ONE THAT DISPLAYS results as fractions.

You have two display modes: MthIO (with fractions, radicals) and LineIO (with decimals). Which one do you want?

To set MthIO press [Shift][MODE][1:MthIO]

To set LineIO, press [SHIFT][MODE][2:LineIO]

Concerning the scientific display mode.

Decimal numbers can be displayed in various formats, Fixed,Scientific, and Normal. If you do not want scientific display of results, just set the mode to Fix(ed) and specify the number of decimal digits. However if a number to be displayed (a result) is too small or too large IT WILL BE DISPLAYED in scientific format regardless of the mode you selected.

You have two display modes: MthIO (with fractions, radicals) and LineIO (with decimals). Which one do you want?

To set MthIO press [Shift][MODE][1:MthIO]

To set LineIO, press [SHIFT][MODE][2:LineIO]

Concerning the scientific display mode.

Decimal numbers can be displayed in various formats, Fixed,Scientific, and Normal. If you do not want scientific display of results, just set the mode to Fix(ed) and specify the number of decimal digits. However if a number to be displayed (a result) is too small or too large IT WILL BE DISPLAYED in scientific format regardless of the mode you selected.

May 13, 2010 | Casio FX-115ES Scientific Calculator

Press SHIFT MATH 2 to switch to the LineIO mode. You won't see fractions then. However, if magnitude of the number is too large or too small, the calculator will switch to scientific notation in order to fit into the display.

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

In Math Mode, press shift then equals will change the fraction result to a decimal result

Sep 09, 2008 | Casio FX-115ES Scientific Calculator

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