Answer:
Dim c As Double 
Dim f As Double 
Private Sub CmdClr_Click() 
TxtInput.Text = “” 
TxtInput.SetFocus 
End Sub 
 
Private Sub Command1_Click() 
c = Val(TxtInput.Text) 
If Val(c) = 0 And TxtInput = “” Then 
MsgBox “Enter Any number”, vbInformation, “Result” 
TxtInput.SetFocus 
Else 
f = 9 * c \ 5 + 32 
MsgBox “Fahrenheit :” & ” ” & f, vbInformation, “Result” 
 
End If 
 
End Sub 
 
Private Sub Command2_Click() 
f = Val(TxtInput.Text) 
If Val(c) = 0 And TxtInput = “” Then 
MsgBox “Enter Any number”, vbInformation, “Result” 
TxtInput.SetFocus 
Else 
c = (f – 32) * 5 \ 9 
MsgBox “Celsius :” & ” ” & c, vbInformation, “Result” 
 
End If 
End Sub
Step-by-step explanation: