Question about Texas Instruments TI-30 XIIS Calculator

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How to convert a fraction into a decimal - Texas Instruments TI-30 XIIS Calculator

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First put the calculator in degree mode.
To convert from fraction to a decimal number first enter your fraction or, mixed number. I'll convert a mixed number to a fraction first since, I don't have a key for the symbol that shows that a number is a fraction on my keyboard. Example: [3][A b/c][1][A b/c][2][A b/cd/e][ENTER]
3/2 should be entered at the home screen. While at the Home screen enter, [2nd][FD][ENTER]
1.5 should now be displayed at the Home screen.
As you can see it is really just using the [A b/c] key to enter in your fraction and, [FD] key to do the converting. The [A_b/cd/e] key isn't necessary because, mixed numbers will convert to decimal numbers just like fractions do. I just don't have the key to show a fraction symbol that the calculator uses. So to show that symbol, I used the / symbol with the fraction number.

Posted on Dec 29, 2010

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  • charles williams
    charles williams Dec 29, 2010

    [A_b/cd/e] is the convert key for mix number to a fraction number. [A_b/c-d/e] key on the calculator.
    [FD] is the convert key for fraction number to decimal number. [F-D] key on the calculator.
    The - sign that I am now using for the arrows that are used for that symbol on the calculator keys did not transfer from my edit screen to your posting. Thank you.

  • charles williams
    charles williams Jan 23, 2011

    I see that I need to press the [2nd] before I press [A b/c-de]. Such as, [3] [A b/c] [1] [2] [2nd] [A b/c- d/e].

  • charles williams
    charles williams Jan 23, 2011

    In my example: [3] [A b/c] [1] [A b/c] [2] [2nd] [A b/c- d/e] [ENTER] will display 3/2.

  • charles williams
    charles williams Jan 29, 2011

    In reference to the above comment. While at the Home screen press, [2nd] [F-D] [ENTER]. 1.5 should now be displayed on the screen. You know, getting use to have your answer to display some what properly at fixya can be a challenge. No challenge to one line solution though.

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Press 2nd [F--D] to convert between fraction and decimal.

Posted on Dec 29, 2010

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SOURCE: fractions appear when I divide; not decimals

you can also go press the 'mode' button, and go down until you're at 'Exact/Approx' and choose '3: Approximate'

Posted on Sep 20, 2008

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SOURCE: can the TI-30X iiS convert decimals to fractions and if so how?

type the decimal you want to convert then press math button scroll down to were it says frac which means fraction then press enter on frac then press enter again to solve and to change it to a decimal type the fraction and press dec instead

Posted on Aug 23, 2009

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SOURCE: decimals to fractions

Hello,
Use the [2nd][MATH] keys. Scroll right [F6] to the softmenu [->Frac or To Frac].
Hope it helps.

Posted on Sep 23, 2009

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