Operation Manual

13-2 Programming
8213PROG.DOC TI-82, Chapter 13, English Bob Fedorisko Revised: 02/09/01 9:25 AM Printed:
02/09/01 12:42 PM Page 2 of 18
Getting Started: Family of Curves
Getting Started is a fast-paced introduction. Read the chapter for details.
A program is a set of commands that can be executed sequentially, as if they had
been entered from the keyboard. Write a simple program to graph the family of
curves 2 sin X, 4 sin X, and 6 sin X.
1. Press
 ~ ~
to display the
PRGM NEW
menu.
2. Press
Í
(to select
Create New...
). Type
S I N E S
as the name of the program (the
keyboard is in
ALPHA-LOCK
), and press
Í
.
You are now in the program editor. Note the
:
(colon) in the first column of the second line to
indicate that this is the beginning of a command
line.
3. Press
ƒ
ã
"
ä
(above
Ã
)
y
ã
{
ä
2
¢
4
¢
6
y
ã
}
ä
˜ „ ƒ
ã
"
ä
¿ y
ã
Y-VARS
ä
.
Press
Í
(to select
Function...
). Press
Í
(to select
Y
1
).
This instruction stores the function
{2,4,6}sin X
to
Y
1
.
4. Press
Í
to complete the instruction and
move to the next line. The
:
(colon) indicates the
beginning of the second command line.
5. Press
q
. The
ZOOM
menu appears, just as it
does elsewhere. Press
6
(to select
ZStandard
).
The instruction
ZStandard
is copied to the
cursor location. Press
Í
to complete the
instruction.
6. Press
r
. The instruction
Trace
is copied to
the cursor location. Press
Í
to complete the
instruction.