How to Do Fractions on a TI-30X IIS

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The TI-30X IIS is a scientific calculator capable of performing various functions, including general math problems such as fractions. The calculator can work with a simple fraction, such as ¾, or a mixed fraction, such as 3 2/3. Unless otherwise specified, the calculator provides an answer containing fractions. To do fractions on the calculator, the numbers must be entered a certain way to ensure the calculator accurately performs the calculations.

Simple Fractions

  1. Enter the Numerator

  2. Enter the numerator using the keys on the TI-30X IIS. The numerator is the top number in the fraction. For example, in the fraction ½, the 1 is the numerator.

  3. Press A b/c

  4. Press the “A b/c” key. The key is located on the third row from the top of the calculator.

  5. Enter the Denominator

  6. Enter the denominator of the fraction. Using the previous example of ½, the denominator is 2.

  7. Enter the Remainder

  8. Enter the remainder of the problem, and press “Enter” to solve. For example, if you want to add a whole number to the fraction, press the “+” key and whole number, then press “Enter.”

Mixed Fractions

  1. Enter the Whole Number

  2. Enter the whole number using the keys of the TI-30X IIS. For example, the whole number in the fraction 1 3/6 is 1.

  3. Press A b/c

  4. Press the “A b/c” key, and then enter the numerator. The numerator is the top number of the fraction. Using the previous example, the numerator is 3.

  5. Press A b/c Again

  6. Press the “A b/c” key again and enter the denominator. In 1 3/6, the denominator is 6.

  7. Enter the Remainder

  8. Enter the remainder of the math problem, and press “Enter” to solve.

References

About the Author

Maya Walker began writing professionally in 2008. Her articles have appeared on a variety of websites, covering technology, personal finance, music and health topics. Walker is pursuing a Bachelor of Arts in English at Stephen F. Austin University in Texas.

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