Texas Instruments TI-86 - Manual (Page 317)

Chapter 20: A to Z Function and Instruction Reference
305
20ATOZ.DOC TI-86, Chap 20, US English Bob Fedorisko Revised: 02/13/01 2:42 PM Printed: 02/13/01 3:05 PM Page 305 of 118 20ATOZ.DOC TI-86, Chap 20, US English Bob Fedorisko Revised: 02/13/01 2:42 PM Printed: 02/13/01 3:05 PM Page 305 of 118
If
‡ program editor
CTL menu
:If condition
: command-if-true
: commands
If condition is true, executes command-if-true.
Otherwise, skips command-if-true. The condition is
true if it evaluates to any nonzero number, or false if it
evaluates to zero.
To execute multiple commands if condition is true, use
If:Then:End instead.
Program segment:
©
:If x<0
:Disp "x is negative"
©
:If condition
:Then
:
commands-if-true
:End
:
commands
If condition is true (nonzero), executes commands-if-
true
from Then to End . Otherwise, skips commands-if-
true and continues with the next command following
End .
Program segment:
©
:If x<0
:Then
: Disp "x is negative"
: abs(x)¶x
:End
©