Esta es la nomenclatura de la formula en excel para convertir numeros a texto

1. Function PesosMN(tyCantidad As Currency) As String
Dim lyCantidad As Currency, lyCentavos As Currency, lnDigito
As Byte, lnPrimerDigito As Byte, lnSegundoDigito As Byte,
lnTercerDigito As Byte, lcBloque As String, lnNumeroBloques
As Byte, lnBloqueCero
Dim laUnidades As Variant, laDecenas As Variant, laCentenas
As Variant, I As Variant 'Si estacomo Option Explicit
tyCantidad = Round(tyCantidad, 2)
lyCantidad = Int(tyCantidad)
lyCentavos = (tyCantidad - lyCantidad) * 100
laUnidades = Array("UN", "DOS", "TRES", "CUATRO", "CINCO",
"SEIS", "SIETE", "OCHO", "NUEVE", "DIEZ", "ONCE", "DOCE",
"TRECE", "CATORCE", "QUINCE", "DIECISEIS", "DIECISIETE",
"DIECIOCHO", "DIECINUEVE", "VEINTE", "VEINTIUN", "VEINTIDOS",
"VEINTITRES", "VEINTICUATRO", "VEINTICINCO", "VEINTISEIS",
"VEINTISIETE", "VEINTIOCHO", "VEINTINUEVE")
laDecenas = Array("DIEZ", "VEINTE", "TREINTA", "CUARENTA",
"CINCUENTA", "SESENTA", "SETENTA", "OCHENTA", "NOVENTA")
laCentenas = Array("CIENTO", "DOSCIENTOS", "TRESCIENTOS",
"CUATROCIENTOS", "QUINIENTOS", "SEISCIENTOS", "SETECIENTOS",
"OCHOCIENTOS", "NOVECIENTOS")
lnNumeroBloques = 1
Do
lnPrimerDigito = 0
lnSegundoDigito = 0
lnTercerDigito = 0
lcBloque = ""
lnBloqueCero = 0
For I = 1 To 3
lnDigito = lyCantidadMod 10
If lnDigito<> 0 Then
Select Case I
Case 1
lcBloque = " " &laUnidades(lnDigito - 1)
lnPrimerDigito = lnDigito
Case 2
IflnDigito<= 2 Then
lcBloque = " " &laUnidades((lnDigito * 10) + lnPrimerDigito -
1)
Else
lcBloque = " " &laDecenas(lnDigito - 1) &IIf(lnPrimerDigito<>
0, " Y", Null) &lcBloque
EndIf
lnSegundoDigito = lnDigito
Case 3
lcBloque = " " &IIf(lnDigito = 1 And lnPrimerDigito = 0 And
lnSegundoDigito = 0, "CIEN", laCentenas(lnDigito - 1))
&lcBloque
lnTercerDigito = lnDigito
EndSelect
Else
lnBloqueCero = lnBloqueCero + 1
End If
lyCantidad = Int(lyCantidad / 10)
If lyCantidad = 0 Then
Exit For
End If

2. Next I
Select Case lnNumeroBloques
Case 1
PesosMN = lcBloque
Case 2
PesosMN = lcBloque&IIf(lnBloqueCero = 3, Null, " MIL")
&PesosMN
Case 3
PesosMN = lcBloque&IIf(lnPrimerDigito = 1 AndlnSegundoDigito
= 0 And lnTercerDigito = 0, " MILLON", " MILLONES") &PesosMN
EndSelect
lnNumeroBloques = lnNumeroBloques + 1
LoopUntillyCantidad = 0
PesosMN = "SON: (" &PesosMN&IIf(tyCantidad> 1, " PESOS ", "
PESO ") &Format(Str(lyCentavos), "00") & "/100 M.N.)"
EndFunction