User's Manual
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(










