excel vba function 예제 - 사칙연산, 시트개수 세기

Sub main_function()
    Cells.Clear
    result = plus(10, 20)
    result2 = minus(10, 20)
    result3 = multiple(10, 20)
    result4 = divide(10, 20)
    Range("a1").Value = result
    Range("a2").Value = result2
    Range("a3").Value = result3
    Range("a4").Value = result4
End Sub
 
Function plus(val1, val2)
    plus = val1 + val2
End Function
 
Function minus(val1, val2)
    minus = val1 - val2
End Function
 
Function multiple(val1, val2)
    multiple = val1 * val2
End Function
 
Function divide(val1, val2)
    divide = val1 / val2
End Function

시트개수 = ActiveWorkbook.Worksheets.Count