Private Const zero As String = "Μηδέν "
Function TextNumber(number As Variant, _
                Optional NegativeText As String = "-", _
                Optional IntGender As Integer = 3, _
                Optional IntMeasurePlural As String, _
                Optional IntMeasureSingular As String, _
                Optional Separator As String = "και", _
                Optional DecCount As Integer = -1, _
                Optional DecGender As Integer = 3, _
                Optional DecMeasurePlural As String, _
                Optional DecMeasureSingular As String, _
                Optional DecNoZero As Boolean = False, _
                Optional IntNoZero As Boolean = False, _
                Optional NoSpace As Boolean = False) As String

Application.Volatile True
If Application.Version < 9 Then GoTo myEnd
If IsDate(number) Then
    TextNumber = DateText(number)
    GoTo myEnd
End If
Select Case True
        Case VBA.IsEmpty(number): GoTo myEnd
        Case Not VBA.IsNumeric(number): TextNumber = CVErr(xlErrValue): GoTo myEnd
        Case Application.IsLogical(number): TextNumber = CVErr(xlErrValue): GoTo myEnd
        Case VBA.IsError(number): TextNumber = CVErr(xlErrValue): GoTo myEnd

End Select
Dim R(0 To 14) As Variant
Dim HD As Variant
Dim Y As Variant
Dim numberDEC As Variant: numberDEC = number
Dim M As Integer
Dim j As Integer
Dim IntPart As String
Dim DecPart As String
Dim dekata As String: dekata = "Δέκατα"
Dim dekato As String: dekato = "Δέκατο"
Dim sta As String: sta = "στά"
Dim sto As String: sto = "στό"

HD = VBA.Array("", "Δέκατα", _
    "Εκατοστά", "Χιλιοστά", _
    "Δεκάκις Χιλιοστά", "Εκατοντάκις Χιλιοστά", _
    "Εκατομμυριοστά", "Δεκάκις Εκατομμυριοστά", _
    "Εκατοντάκις Εκατομμυριοστά", "Δισεκατομμυριοστά", _
    "Δεκάκις Δισεκατομμυριοστά", "Εκατοντάκις Δισεκατομμυριοστά", _
    "Τρισεκατομμυριοστά", "Δεκάκις Τρισεκατομμυριοστά", _
    "Εκατοντάκις Τρισεκατομμυριοστά", "Τετράκις Εκατομμυριοστά")

If Int(Abs(number)) = 1 And IntMeasureSingular <> "" _
        Then IntMeasurePlural = IntMeasureSingular
IntPart = IntText(number, NegativeText, IntGender) & IntMeasurePlural

numberDEC = Abs(numberDEC)
numberDEC = Format(numberDEC, "0.000000000000000")

For j = 14 To 0 Step -1
    R(j) = Mid(numberDEC, Len(numberDEC) - 14 + j, 1)
Next
numberDEC = VBA.Join(R, "")

Select Case True
    Case DecCount = -1 And numberDEC = 0
        DecCount = 0
        DecMeasurePlural = ""
        DecMeasureSingular = ""
Case DecCount = -1 And numberDEC <> 0
        Y = numberDEC
            Do
                Y = Y / 10
                M = M + 1
            Loop While Y = Int(Y)
        DecCount = 15 - M + 1
        DecMeasurePlural = ""
        DecMeasureSingular = ""
        DecGender = 3
End Select
numberDEC = VBA.Left(numberDEC, DecCount)

If numberDEC = 1 And DecMeasureSingular <> "" Then DecMeasurePlural = DecMeasureSingular
Select Case True
    Case DecCount = 0
    Case DecMeasurePlural <> ""
        DecPart = IntText(numberDEC, "", DecGender) & DecMeasurePlural
    Case DecMeasurePlural = ""
        DecPart = IntText(numberDEC, "", DecGender) & HD(DecCount)
            If numberDEC = 1 And DecMeasureSingular = "" Then
                DecPart = Replace(DecPart, dekata, dekato)
                DecPart = Replace(DecPart, sta, sto)
        End If
End Select

Separator = ChrW(32) & Separator & ChrW(32)
If DecCount = 0 Then Separator = ""

If DecNoZero = True Then
If VBA.Left(DecPart, 5) = RTrim(zero) Then Separator = "": DecPart = ""
End If

If IntNoZero = True Then
If IntPart = NegativeText & zero Then Separator = "": IntPart = NegativeText
End If

TextNumber = Application.WorksheetFunction.Trim(IntPart & Separator & DecPart)

If NoSpace = True Then TextNumber = _
Application.WorksheetFunction.Substitute(TextNumber, " ", "")
myEnd:
End Function
Private Function IntText(numberINT As Variant, _
            Optional NegativeText As String = "-", _
            Optional GenderINT As Integer = 3) As String
 Dim Tm As Variant
 Dim Am As Variant
 Dim Fm As Variant
 Dim tt As Variant
 Dim AFt As Variant
 Dim TAFd As Variant
 Dim Te As Variant
 Dim Ae As Variant
 Dim Fe As Variant
Tm = VBA.Array("", "Ένα ", "Δύο ", "Τρία ", "Τέσσερα ", _
    "Πέντε ", "Έξι ", "Επτά ", "Οκτώ ", "Εννέα ")
Am = VBA.Array("", "Ένας ", "Δύο ", "Τρεις ", "Τέσσερις ", _
    "Πέντε ", "Έξι ", "Επτά ", "Οκτώ ", "Εννέα ")
Fm = VBA.Array("", "Μία ", "Δύο ", "Τρεις ", "Τέσσερις ", _
    "Πέντε ", "Έξι ", "Επτά ", "Οκτώ ", "Εννέα ")
tt = VBA.Array("Δέκα ", "Έντεκα ", "Δώδεκα ", "Δεκατρία ", "Δεκατέσσερα ", _
    "Δεκαπέντε ", "Δεκαέξι ", "Δεκαεπτά ", "Δεκαοκτώ ", "Δεκαεννέα ")
AFt = VBA.Array("Δέκα ", "Έντεκα ", "Δώδεκα ", "Δεκατρείς ", "Δεκατέσσερις ", _
    "Δεκαπέντε ", "Δεκαέξι ", "Δεκαεπτά ", "Δεκαοκτώ ", "Δεκαεννέα ")
TAFd = VBA.Array("", "Δέκα ", "Είκοσι ", "Τριάντα ", "Σαράντα ", _
    "Πενήντα ", "Εξήντα ", "Εβδομήντα ", "Ογδόντα ", "Ενενήντα ")
Te = VBA.Array("", "Εκατόν ", "Διακόσια ", "Τριακόσια ", "Τετρακόσια ", _
    "Πεντακόσια ", "Εξακόσια ", "Επτακόσια ", "Οκτακόσια ", "Εννιακόσια ")
Ae = VBA.Array("", "Εκατόν ", "Διακόσιοι ", "Τριακόσιοι ", "Τετρακόσιοι ", _
    "Πεντακόσιοι ", "Εξακόσιοι ", "Επτακόσιοι ", "Οκτακόσιοι ", "Εννιακόσιοι ")
Fe = VBA.Array("", "Εκατόν ", "Διακόσιες ", "Τριακόσιες ", "Τετρακόσιες ", _
    "Πεντακόσιες ", "Εξακόσιες ", "Επτακόσιες ", "Οκτακόσιες ", "Εννιακόσιες ")
Dim ekato As String: ekato = "Εκατό "
Dim ekaton As String: ekaton = "Εκατόν "
Dim Tx As String: Tx = "Χίλια "
Dim Ax As String: Ax = "Χίλιοι "
Dim Fx As String: Fx = "Χίλιες "
Dim xx As String: xx = "Χιλιάδες "
Dim mill As String: mill = "Ένα Εκατομμύριο "
Dim mills As String: mills = "Εκατομμύρια "
Dim billion As String: billion = "Δις "
Dim trillion As String: trillion = "Τρις "
Dim V(0 To 14) As Variant
Dim apart As String, bpart As String, cpart As String
Dim dpart As String, epart As String, totalpart As String
Dim oSgn As Integer, oLen As Integer, i As Integer

oSgn = Sgn(numberINT)
numberINT = Abs(numberINT)
numberINT = Format(numberINT, "0.000000000000000")
numberINT = Int(numberINT)
oLen = Len(numberINT)
If oLen > 15 Then IntText = CVErr(xlErrValue): GoTo myEnd

For i = 0 To oLen - 1
    V(15 - oLen + i) = Mid(numberINT, i + 1, 1)
Next

If V(1) + V(2) = 0 Then Te(1) = ekato
Select Case True
    Case V(0) + V(1) + V(2) = 0
    Case V(1) = 1
        epart = Te(V(0)) & tt(V(2)) & trillion
    Case Else
        epart = Te(V(0)) & TAFd(V(1)) & Tm(V(2)) & trillion
End Select

Te(1) = ekaton
If V(5) + V(4) = 0 Then Te(1) = ekato
Select Case True
    Case V(3) + V(4) + V(5) = 0
    Case V(4) = 1
        dpart = Te(V(3)) & tt(V(5)) & billion
    Case Else
        dpart = Te(V(3)) & TAFd(V(4)) & Tm(V(5)) & billion
End Select

Te(1) = ekaton
If V(7) + V(8) = 0 Then Te(1) = ekato
Select Case True
    Case V(6) + V(7) + V(8) = 0
    Case V(6) + V(7) = 0 And V(8) = 1
        cpart = mill
    Case V(7) = 1
        cpart = Te(V(6)) & tt(V(8)) & mills
    Case Else
        cpart = Te(V(6)) & TAFd(V(7)) & Tm(V(8)) & mills
End Select

If GenderINT = 1 Then Tm = Am: tt = AFt: Te = Ae: Tx = Ax
If GenderINT = 2 Then Tm = Fm: tt = AFt: Te = Fe: Tx = Fx

Te(1) = ekaton
If V(11) + V(10) = 0 Then Fe(1) = ekato
Select Case True
    Case V(9) + V(10) + V(11) = 0
    Case V(9) + V(10) = 0 And V(11) = 1
        bpart = Tx
    Case V(10) = 1
        bpart = Fe(V(9)) & AFt(V(11)) & xx
    Case Else
        bpart = Fe(V(9)) & TAFd(V(10)) & Fm(V(11)) & xx
End Select

Te(1) = ekaton
If V(14) + V(13) = 0 Then Te(1) = ekato
If V(13) = 1 Then apart = Te(V(12)) + tt(V(14)) _
    Else: apart = Te(V(12)) & TAFd(V(13)) & Tm(V(14))

totalpart = epart & dpart & cpart & bpart & apart

If numberINT = 0 Then totalpart = zero
If oSgn = -1 Then NegativeText = NegativeText & " " Else NegativeText = ""

IntText = NegativeText & totalpart
myEnd:
End Function
Private Function DateText(mydate As Variant) As String
Dim oday As Integer: oday = Day(mydate)
Dim omonth As Integer: omonth = Month(mydate)
Dim oyear As Integer: oyear = Year(mydate)
Dim VMONTH As Variant
VMONTH = VBA.Array("", "Ιανουαρίου", "Φεβρουαρίου", "Μαρτίου", _
                    "Απριλίου", "Μαΐου", "Ιουνίου", "Ιουλίου", _
                    "Αυγούστου", "Σεπτεμβρίου", "Οκτωβρίου", _
                    "Νοεμβρίου", "Δεκεμβρίου")
DateText = IntText(oday, "", 2) & VMONTH(omonth) & ", " & IntText(oyear, "", 3)
End Function