TI-83 Resource Website -- Basics -- Using FRAC and DEC

TI-83 Resource Website

The Basics

Using FRAC and DEC

The calculator has the capability of converting decimals to fractions as well as fractions to demicals.

Example: Convert 0.6648 to a fraction.

Step 1: Enter the decimal into the calculator.

In this example, it would be 0.6648.

Step 2: Press the MATH button.

Two down from yellow 2nd button

Step 3: Note the 1: is highlighted. That means FRAC will be selected when you press ENTER. FRAC will appear on the home screen to the right of the decimal.

Step 4: Press ENTER. The answer will appear on the right side of the screen.

There are two ways you can convert a fraction to a decimal:

You can use a similar process to convert a fraction into a decimal. In Step 3, after you press MATH, use your arrow keys to highlight 2: DEC with the cursor. Then press ENTER twice.

You can enter the fraction as a division problem, then press ENTER.

Either way should give the same answer.

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This site was last updated 08/16/02 and is maintained by Donna L. Sperry

Step 2: Press the MATH button. Two down from yellow 2nd button
Step 3: Note the 1: is highlighted. That means FRAC will be selected when you press ENTER. FRAC will appear on the home screen to the right of the decimal.