Visual Basic 10 Scientific Calculator Code Jun 2026

Private Sub btnSqrt_Click(sender As Object, e As EventArgs) Handles btnSqrt.Click txtDisplay.Text = Math.Sqrt(Double.Parse(txtDisplay.Text)).ToString() End Sub Use code with caution. Copied to clipboard Implementation Tips

Need the complete source code as a single file? Save the above snippets into Form1.vb , design the form accordingly, and run. For further optimization, consider converting the repetitive trigonometric handlers into a single generic function using delegates. Visual Basic 10 Scientific Calculator Code

Private Sub btnFactorial_Click(sender As System.Object, e As System.EventArgs) Handles btnFactorial.Click Dim value As Integer = Integer.Parse(currentInput) If value >= 0 AndAlso value <= 20 Then currentInput = Factorial(value).ToString() Else currentInput = "Overflow/Invalid" End If newEntry = True UpdateDisplay() End Sub Private Sub btnSqrt_Click(sender As Object, e As EventArgs)

Private Sub NegateValue() If currentInput <> "0" Then If currentInput.StartsWith("-") Then currentInput = currentInput.Substring(1) Else currentInput = "-" & currentInput End If UpdateDisplay() End If End Sub For further optimization

For this article, we will use a hybrid approach: and * Formula storage for binary operators (+, -, , /, ^) .

Visual Basic 2010 (Windows) Guide Calculator - multiwingspan