Private Sub cmdAdd_Click() Dim num1 As Double, num2 As Double, result As Double ' Convert text input to numerical values using Val() num1 = Val(txtNum1.Text) num2 = Val(txtNum2.Text) result = num1 + num2 lblResult.Caption = "Result: " & CStr(result) End Sub Private Sub cmdDiv_Click() Dim num1 As Double, num2 As Double num1 = Val(txtNum1.Text) num2 = Val(txtNum2.Text) ' Add basic error handling for division by zero If num2 = 0 Then MsgBox "Error: Cannot divide by zero!", vbCritical, "Math Error" Else lblResult.Caption = "Result: " & CStr(num1 / num2) End If End Sub Use code with caution. Exercise 1.2: Dynamic Font and Color Manipulator

Understand the basics of creating desktop interfaces. Key Areas for VB6 Practical Exercises

Input a sentence, then have buttons to reverse it, change to uppercase, and count the number of characters. Focus: String Functions ( Len , Mid , StrReverse , UCase ). Level 2: Intermediate Exercises (Logic & Data) 4. Login Form with Validation

The drag-and-drop Graphical User Interface (GUI) designer in VB6 remains one of the fastest environments ever created for mockup desktop applications.