Texas Instruments TI-82 STATS

3.6 Function Graphing
82533F~1.DOC TI-83 international English Bob Fedorisko Revised: 10/26/05 1:20 PM Printed: 10/27/05 1:55
PM Page 6 of 28
82533F~1.DOC TI-83 international English Bob Fedorisko Revised: 10/26/05 1:20 PM Printed: 10/27/05 1:55
PM Page 6 of 28
To define a function from the home screen or a program, begin
on a blank line and follow these steps.
1. Press ƒ [
ã], enter the expression, and then press ƒ
[
ã] again.
2. Press ¿.
3. Press  ~ 1 to select 1:Function from the
VARS Y.VARS menu.
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-82 STATS stores the
expression to the designated variable
Yn, selects the function,
and displays the message
Done.
You can calculate the value of a
Y= function Yn at a specified
value of
X. A list of values returns a list.
Yn(value)
Y
n({value1,value2,value3, . . .,value n})
Defining Functions (continued)
Defining a
Function from
the Home Screen
or a Program
Evaluating Y=
Functions in
Expressions