If statements are used to check conditions in the program.

Structure of the If Else Statement
If Then
  Do something
ElseIf Then
  Do something
Else
  Do something
End If

Expression Signs (Relational Operators)
< Less than
<= Less than or equal to
> Greater than
>= Greater than or equal to
= Equal to
<> Not Equal to

If the condition is met, the code associated with condition will trigger.

Code Download
QBT7_1.BAS
QBT7_2.BAS
QBT7_3.BAS
QBT7_4.BAS