Function somme_spe(cellule)
For n = cellule.Row - 1 To 1 Step -1
If Cells(n, cellule.Column) <> 0 Then
If Cells(n, cellule.Column - 2) = "TEMPS DE PRODUCTION" Then
somme_spe = somme_spe + Cells(n, cellule.Column - 1)
End If
Else
Exit Function
End If
Next
End Function