Defining A Function From The Home Screen Or A Program; Evaluating Y=Functions In Expressions - Texas Instruments TI-84 Plus Manual Book

Defining a Function from the Home Screen or a Program

Defining a Function from the Home Screen or a Program Defining a Function from the Home Screen or a Program Defining a Function from the Home Screen or a Program
To define a function from the home screen or a program, begin on a blank line and follow
these steps.
1. Press ƒ
[
2. Press ¿.
3. Press  ~
4. Select the function name, which pastes the name to the cursor location on the home
screen or program editor.
5. Press Í to complete the instruction.
!
"expression" Yn
When the instruction is executed, the TI-84 Plus stores the expression to the designated
variable , selects the function, and displays the message
Yn
Evaluating Y= Functions in Expressions Evaluating Y= Functions in Expressions Evaluating Y= Functions in Expressions Evaluating Y= Functions in Expressions
You can calculate the value of a Y= function
returns a list.
Chapter 3: Function Graphing
ã , enter the expression, and then press ƒ
]
to select
1 1:Function
from the
VARS Y-VARS
at a specified
Yn
ã
again.
[ ]
menu.
.
Done
of X. A list of
value values
98