240 Chapter 12: Programming
7312ENG.DOC CH 12 Programming, English Julie Hewlett Revised: 07/29/98 12:17 PM Printed: 05/19/99 9:02
AM Page 240 of 32
PROGRAM:STOP
:Input "T=",T
:If T20
:Then
:Disp "T20"
:Pause
:Else
:Stop
DelVar DelVar 8
H H
DelVar (delete variable) deletes the contents of variable from
memory. You cannot delete a program or a system variable.
:DelVar variable
Write a program named DELVAR that deletes the value for
variable A from the calculators memory.
PROGRAM:DELVAR
:{1,2}ÜL1
:Disp L1
:Pause
:DelVar L1
:Disp L1
:Pause
GraphStyle( GraphStyle( 8
I I
GraphStyle( defines one of seven graph style types for Yn. Yn=1,
2, 3, or 4 (for Y1, Y2, Y3, or Y4). The type icons described below
are located to the left of Yn in the Y= editor.
1 = ç (line) 5 = ë (path)
2 = è (thick line) 6 = ì (animate)
3 = é (shade above) 7 = í (dot)
4 = ê (shade below)
:GraphStyle(Y,type)
³
Press b
after input.
Press b
after input.
You are returned
to the Home screen.
Press b.