If computer programs could only do just a linear sequence of steps and nothing else, they would not be very useful. One additional thing that computers are very good at doing is conditional control or making a decision, as long as you provide all the parts it needs to figure out the decision.
.. toctree:: :maxdepth: 1 :glob: Boolean Expressions <boolean-expressions> If…Then <if-then> If…Then…Else <if-then-else> If…Then…ElseIf…Else <if-then-elseif-else> Select Case <select-case> Try…Catch <try-catch> Compound Boolean Expressions <compound-boolean-expressions> Nested If Statements <nested-if-statements>