Texas Instruments TI-73 EXPLORER, TI-73 If If 8, 1 1, If-Then If-Then 8, 1 and 2 1 and 2

Chapter 12: Programming 229
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 If 8 1 1
Use If 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. If
instructions can be nested.
:If condition
:command1 (if true)
:command2
Write a program named COUNT 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 If-Then 8 1 and 2 1 and 2
Use If with Then 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. End identifies the end of the block. Both Then and End
must be on a line by itself.
:If condition
:Then
:block (if true)
:End
:command
³
Press b.