ARITHMETIC Absolute Value (Page 3 of 3)

One application of absolute value is to find the distance between two points on the number line. Specifically, the distance between a and b is given by |a - b|.

Let's use absolute value to find the distance between 3/7 and -43/31. Since the numbers are fractions, add the Frac command to express the result as a fraction also.

 CLEAR key.

 MATH key. [NUM] 1: menu selection. 3 Divide key. 7 Minus key. Negation key. 43 Divide key. 31 Right parenthesis key.
 MATH key. 1: menu selection. ENTER key.

 Calculator screen image.
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