Chapter 2: Math, Angle, and Test Operations
50
4
F
3
4
D
4
F
3
4
D
converts a fraction to a decimal or a decimal to a fraction. You can also access
4
F
3
4
D
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+b
i
(rectangular-complex mode)
•
re^
q
i
(polar-complex mode)
