Código Function IB·InterExtrapolaciónLineal(Rango_X As Range, Rango_Y As Range, X As Double) As Variant Dim i As Long, n As Long, x1 As Double, x2 As Double, y1 As Double, y2 As Double n = Rango_X.Rows.Count For i = 1 To n - 1 If X >= Rango_X.Cells(i, 1).Value And X <= Rango_X.Cells(i + 1, 1).Value Then x1 = Rango_X.Cells(i, 1).Value x2 = Rango_X.Cells(i + 1, 1).Value y1 = Rango_Y.Cells(i, 1).Value y2 = Rango_Y.Cells(i + 1, 1).Value IB·InterExtrapolaciónLineal = y1 + (y2 - y1) * (X - x1) / (x2 - x1) Exit Function End If Next i If X < Rango_X.Cells(1, 1).Value Then x1 = Rango_X.Cells(1, 1).Value x2 = Rango_X.Cells(2, 1).Value y1 = Rango_Y.Cells(1, 1).Value y2 = Rango_Y.Cells(2, 1).Value IB·InterExtrapolaciónLineal = y1 + (y2 - y1) * (X - x1) / (x2 - x1) ElseIf X > Rango_X.Cells(n, 1).Value Then x1 = Rango_X.Cells(n - 1, 1).Value x2 = Rango_X.Cells(n, 1).Value y1 = Rango_Y.Cells(n - 1, 1).Value y2 = Rango_Y.Cells(n, 1).Value IB·InterExtrapolaciónLineal = y1 + (y2 - y1) * (X -...