If Command; If...then...endif Structures - Texas Instruments TITANIUM TI-89 User Manual

If Command

If Command If Command If Command
To execute only one command if a conditional test is true, use the general form:
:If x>5
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: Disp "x is greater than 5"
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:Disp x
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Executed only if x>5; otherwise, skipped.
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Always displays the value of x.
In this example, you must store a value to x before executing the
Use indentation to make your programs easier to read and understand.
Note:

If...Then...EndIf Structures

If...Then...EndIf Structures If...Then...EndIf Structures If...Then...EndIf Structures
To execute one group of commands if a conditional test is true, use the structure:
:If x>5 Then
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: Disp "x is greater than 5"
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: 2†x!x
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:EndIf
:Disp x
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Executed only if x>5.
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Displays value of:
• 2x if x>5
• x if x { 5
Programming
command.
If
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