Texas Instruments TI-83 - Page 313

Programming 16-15
8316PROG.DOC TI-83 international English Bob Fedorisko Revised: 02/19/01 1:23 PM Printed: 02/19/01 1:39
PM Page 15 of 22
Use prgm to execute other programs as subroutines (page
16
.
22). When you select
prgm, it is pasted to the cursor
location. Enter characters to spell a program
name
. Using
prgm is equivalent to selecting existing programs from the
PRGM EXEC
menu; however, it allows you to enter the
name of a program that you have not yet created.
prgm
name
Note:
You cannot directly enter the subroutine name when using
RCL
.
You must paste the name from the
PRGM EXEC
menu (page 16
.
7).
Return quits the subroutine and returns execution to the
calling program (page 16
.
22), even if encountered within
nested loops. Any loops are ended. An implied
Return
exists at the end of any program that is called as a
subroutine. Within the main program,
Return stops
execution and returns to the home screen.
Stop stops execution of a program and returns to the home
screen.
Stop is optional at the end of a program.
DelVar deletes from memory the contents of
variable
.
DelVar
variable
GraphStyle( designates the style of the graph to be drawn.
function#
is the number of the
Y=
function name in the
current graphing mode.
graphstyle
is a number from
1 to 7
that corresponds to the graph style, as shown below.
1 =
ç
(line) 5 =
ë
(path)
2 =
è
(thick) 6 =
ì
(animate)
3 =
é
(shade above) 7 =
í
(dot)
4 =
ê
(shade below)
GraphStyle(
function#
,
graphstyle
)
For example, GraphStyle(1,5) in Func mode sets the graph
style for
Y
1
to
ë
(path; 5).
Not all graph styles are available in all graphing modes. For
a detailed description of each graph style, see the Graph
Styles table in Chapter 3.
prgm
Return
Stop
DelVar
GraphStyle(