Texas Instruments TI-73 用户手册

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 229 of 32

 

If   8

 

Use 

 to execute one command depending upon condition. If

condition is true (non-zero), then command1 is executed. If

condition is false (zero), then command1 is skipped. 

instructions can be nested.

condition

command1 (if true)

command2

Write a program named 

 that adds one to variable A and

displays the current value until A‚2.

PROGRAM:COUNT

:0"A

:Lbl Z

:A+1"A

:Disp "A IS",A

:Pause

:If A‚2

:Stop

:Goto Z

 

If-Then   8

 

Use 

 with 

 to execute more than one command (block)

depending upon condition. If condition is true (non-zero),

then block is executed. If condition is false (zero), then block is

skipped. 

 identifies the end of the block. Both 

 and 

must be on a line by itself.

condition

:

block (if true)

command

³

Press 

b

.