Private Sub CommandButton1_Click()
Nbre = Application.InputBox _
(Prompt:="Entrer le nouveau montant.", _
Title:="Nouveau Montant.", Default:="0,00", Type:=1)
If Nbre = False Then Exit Sub
TextBox1 = Nbre
Frc = Round(Nbre * 6.55957, 2)
TextBox2 = Format(Frc, "#,##0.00"" FRF""")
End Sub