Chapter 10: Drawing 193
7310ENG.DOC Draw Texas Instruments Revised: 05/29/98 6:43 PM Printed: 05/19/99 9:01 AM Page 193 of 22
Vertical draws a vertical line at X=x. x can be an integer or an
expression.
Vertical x
From the Home screen, draw a
horizontal line at Y=4.
-l:
21b23
4b
Draw a vertical line at X=4.
-l24
4b
Shade( Shade( 2
5 5
With Shade(, you can shade areas above and below functions
on the Graph screen.
You can execute Shade( only from the Home screen or in a
programming instruction. Shade( accepts two mandatory
arguments and four optional arguments. However, you cannot
skip any arguments. For example, if you want to specify the
5th argument, pattern, you also must specify the 3rd and 4th
arguments, left and right.
Shade(lower,upper[,left,right,pattern,res])
³
³
' is set to
standard default
values.