Question about Texas Instruments TI-30 XIIS Calculator

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Texas Instruments calculator TI-30XIIS

My son has the above calculator (7th grade) and he is having problems simplifying fractions. He said in school they use a calculator that has a Simp button. Does this make sense and can you help us?

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Theres an A b/c button. Pretend its 90/100 Do 90 then press A b/c then type 100 and =.


Posted on Nov 20, 2008

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I don't know how to simplify fractions on this calculator.


You do not simplify fractions on the calculator. If the calculator is able to display fraction results, be sure that the form it gives you is the simplest. If the fraction is a mixed one there is usually a key to switch from mixed to improper, and from improper to mixed the keys are [a b/c] and [d/c]

Aug 01, 2011 | Texas Instruments TI-30 XIIS Calculator

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How do I convert from decimals to fraction with my TI-30X IIS calculator? I need the step by step process


The following examples will demonstrate how to convert decimals into fractions using the TI-30Xa and TI-30Xa Solar. Please be aware that TI-30Xa Solar School Edition calculators do not have this functionality.

Example: Convert .25 to 1/4
- Input .25, press [2nd][<--] (says F<>D above it).

** F<>D means fraction to decimal, decimal to fraction.

Example: Convert 1.38 to 1_19/50

- Input 1.38, press [2nd][<--].

Example: Convert 9.75 to 9_3/4

- Input 9.75, press [2nd]{<--].

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Is there an EE button for scientific notation of TI-30XS


On a TI-30XA the EE key is just above the 7 key.

On a TI-30XIIS the EE is the shifted function of the key just above the 7 key.

Feb 01, 2011 | Texas Instruments TI 30XIIS Scientific...

1 Answer

How do you convert decimals to fractions?


With the decimal value on the screen, press 2nd F<>D.

F<>D is on the PRB key, second row, second column.

Jul 02, 2010 | Texas Instruments TI-30 XIIS Calculator

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TI-30xIIs calculator


This function is FIX or FSE near the dot [.] or above it, so press [2nd] the the [FIX] where it located button [.] for example then the dot [.] him self: [2nd] [FIX] [.]
Rate me, thanks.

Apr 16, 2009 | Texas Instruments TI-30X-IISTK Scientific...

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Two ways:

1) hit the equal sign

2) hit 2nd and [d/c] (you can do this multiple times to see it as the most reduced improper fraction or as a mixed fraction)

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for my 82 i put my fraction in parentheses then press MATH and scroll to >FRAC

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a quart is one fourth of a gallon. Dan drank half a quart of milk. What fraction of a gallon did Dan drink

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type the whole number then hit the ABC button then type the numerator then hit ABC then type the denominator


1ABC1ABC2 + 1ABC1ABC2=3

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