If...Then (BASIC command) Purpose Branches processing based on a condition. This command requires a condition that must be TRUE or FALSE. Any numeric condition that is not TRUE is considered to be FALSE. When the condition is TRUE, the commands following this statement are executed, then processing continues on the line following End If. Syntax If Condition Then Command1 Else Command2 If Condition Then Commands End If If Condition1 Then Commands ElseIf Condition2 Then Commands Else Commands End If You can include any number of ElseIf...Then clauses with a block If...Then structure to specify additional conditions. Example If FCUserid = "guest" Then         Print "Welcome Guest User" ElseIf FCUserid = "admin" Then         Print "Welcome Administrator" Else         Print "Welcome"         'user is neither a guest nor administrator End If