You can also use the FRAC menu to enter mixed numbers on your TI-84 Plus calculator. As with entering fractions, press ALPHA and then Y= to bring up the FRAC menu. Then use the arrow keys to select the second option in the menu, Un/d. This brings up the template for entering a mixed number.. Tips for doing fractions in TI-84 Calculator. Fractions are a standard part of mathematics, and the TI-84 Plus calculator can help you work with them quickly and accurately. This guide will explain how to use your TI-84 Plus calculator to manipulate fractions and get the correct answers. The first step is to enter a fraction into the calculator.
The TI-84 Plus CE graphing calculator offers the ability to use fractions in calculations, but these options are hidden away in the calculator's menus. Once you learn how to use these functions, you will be able to calculate using fractions, convert between fractions and decimals, and convert between improper and mixed numbers.. The TI-84 Plus family of graphing calculators do not have a specific fraction key, but does have a template that allows fractions to be entered. For example, add 3 2/5 to 3/4 using the steps below: 1) Press [ALPHA] [F1] [1].