Texas Instruments TI-73 用户手册

Chapter 10: Drawing    

7310ENG.DOC   Draw   Texas Instruments   Revised: 05/29/98 6:43 PM   Printed: 05/19/99 9:01 AM   Page 193 of 22

 draws a vertical line at X=x. x can be an integer or an

expression.

x

From the Home screen, draw a

horizontal line at Y=4.

- l :
2

b 2

b

Draw a vertical line at X=4.

- l 2

b

 

Shade(   2

 

With 

, you can shade areas above and below functions

on the Graph screen.
You can execute 

 only from the Home screen or in a

programming instruction. 

 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.

lower,upper[,left,right,pattern,res]

³

³

'

 is set to

standard default

values.