User Guide

Chapter 2: Math, Angle, and Test Operations 50
4F3 4D
4F3 4D converts a fraction to a decimal or a decimal to a fraction. You can also access 4F3 4D from
the
FRAC shortcut menu (t ^ 4).
Un/d
Un/d displays the mixed number template. You can also access Un/d from the FRAC shortcut
menu (t ^
2). In the fraction, n and d must be non-negative integers.
MathPrint™
"
Classic
n/d
n/d displays the mixed number template. You can also access n/d from the FRAC shortcut menu
(t ^
1). n and d can be real numbers or expressions but may not contain complex numbers.
MathPrint™
"
Classic
Entering and Using Complex Numbers
Complex-Number Modes
The TI-84 Plus displays complex numbers in rectangular form and polar form. To select a
complex-number mode, press z, and then select either of the two modes.
•
a+bi (rectangular-complex mode)
•
re^qi (polar-complex mode)