mu_Choose = "3" Dim i, sMethod if IsNumeric(mu_Choose) Then i = CInt(mu_Choose) if i < 1 or i > 4 Then i = 0 end if else i = 0 end if sMethod = Array("hh", "addition", "subtract", "multiply", "division") 'sMethod(0) = "hh" 'sMethod(1) = "addition" 'sMethod(2) = "subtract" 'sMethod(3) = "multiply" 'sMethod(4) = "division" mu_sMethod = sMethod(i) MsgBox mu_sMethod