Excel code function Money

‘Money(ตัวเลขเงิน,"ชื่อหน่วย1","ชื่อหน่วย2")
‘Download Add-In
‘How to use function convert Currency to EnglishText 
‘Cell A1=input Number                            ‘ตัวเลขจะอยู่ที่เซลล์ A1
‘=Monney(A1,”Baht”,”Satang”)                ‘หน่วย บาท และ สตางค์  ไม่ต้องใส่ S หลังหน่วย  (Unit No “s”)
‘=Monney(A1,”Dollar”,”Cent”)                  ‘หน่วย ดอลลาห์ และเซนต์  ไม่ต้องใส่ S หลังหน่วย  (Unit No “s”)
‘=Monney(A1,””,””)                                 ‘แบบไม่ต้องแสดงหน่วย
‘
Option Explicit

'****************
' Main Function *
' Originated code from www.barasch.com
' กรณีไม่มีเศษ จะแสดงคำว่า Only แทนคำว่า and No Satang
' ตัวอย่าง =Money(123.45,"Baht","Satang")
'****************
Function Money(ByVal MyNumber, UnitName1, UnitName2)
Dim KeyUnit1, KeyUnit2, Temp
Dim DecimalPlace, Count

ReDim Place(9) As String
Place(2) = " Thousand "
Place(3) = " Million "
Place(4) = " Billion "
Place(5) = " Trillion "

' String representation of amount
MyNumber = Trim(Str(MyNumber))

' Position of decimal place 0 if none
DecimalPlace = InStr(MyNumber, ".")
'Convert KeyUnit2 and set MyNumber to KeyUnit1 amount
If DecimalPlace > 0 Then
KeyUnit2 = GetTens(Left(Mid(MyNumber, DecimalPlace + 1) & "00", 2))
MyNumber = Trim(Left(MyNumber, DecimalPlace - 1))
End If

Count = 1
Do While MyNumber <> ""
Temp = GetHundreds(Right(MyNumber, 3))
If Temp <> "" Then KeyUnit1 = Temp & Place(Count) & KeyUnit1
If Len(MyNumber) > 3 Then
MyNumber = Left(MyNumber, Len(MyNumber) - 3)
Else
MyNumber = ""
End If
Count = Count + 1
Loop

Select Case KeyUnit1
Case ""
KeyUnit1 = "No " & UnitName1
Case "One"
KeyUnit1 = "One " & UnitName1
Case Else
            Select Case UnitName1
            Case ""
                        KeyUnit1 = KeyUnit1 & " " & UnitName1
            Case Else
                        KeyUnit1 = KeyUnit1 & " " & UnitName1 & "s"
            End Select
End Select

Select Case KeyUnit2
Case ""
    Select Case UnitName2
    Case ""
        KeyUnit2 = ""
    Case Else
        KeyUnit2 = " Only"
    End Select
Case "One"
KeyUnit2 = " and One " & " " & UnitName2
Case Else
            Select Case UnitName2
            Case ""
                        KeyUnit2 = " and " & KeyUnit2 & " " & UnitName2
            Case Else
                        KeyUnit2 = " and " & KeyUnit2 & " " & UnitName2 & "s"

            End Select
End Select

Money = KeyUnit1 & KeyUnit2
End Function

'*******************************************
' Converts a number from 100-999 into text *
'*******************************************
Private Function GetHundreds(ByVal MyNumber)
Dim Result As String

If Val(MyNumber) = 0 Then Exit Function
MyNumber = Right("000" & MyNumber, 3)

'Convert the hundreds place
If Mid(MyNumber, 1, 1) <> "0" Then
Result = GetDigit(Mid(MyNumber, 1, 1)) & " Hundred "
End If

'Convert the tens and ones place
If Mid(MyNumber, 2, 1) <> "0" Then
Result = Result & GetTens(Mid(MyNumber, 2))
Else
Result = Result & GetDigit(Mid(MyNumber, 3))
End If

GetHundreds = Result
End Function

'*********************************************
' Converts a number from 10 to 99 into text. *
'*********************************************
Private Function GetTens(TensText)
Dim Result As String

Result = "" 'null out the temporary function value
If Val(Left(TensText, 1)) = 1 Then ' If value between 10-19
Select Case Val(TensText)
Case 10: Result = "Ten"
Case 11: Result = "Eleven"
Case 12: Result = "Twelve"
Case 13: Result = "Thirteen"
Case 14: Result = "Fourteen"
Case 15: Result = "Fifteen"
Case 16: Result = "Sixteen"
Case 17: Result = "Seventeen"
Case 18: Result = "Eighteen"
Case 19: Result = "Nineteen"
Case Else
End Select
Else ' If value between 20-99
Select Case Val(Left(TensText, 1))
Case 2: Result = "Twenty "
Case 3: Result = "Thirty "
Case 4: Result = "Forty "
Case 5: Result = "Fifty "
Case 6: Result = "Sixty "
Case 7: Result = "Seventy "
Case 8: Result = "Eighty "
Case 9: Result = "Ninety "
Case Else
End Select
Result = Result & GetDigit _
(Right(TensText, 1)) 'Retrieve ones place
End If
GetTens = Result
End Function

'*******************************************
' Converts a number from 1 to 9 into text. *
'*******************************************
Private Function GetDigit(Digit)
Select Case Val(Digit)
Case 1: GetDigit = "One"
Case 2: GetDigit = "Two"
Case 3: GetDigit = "Three"
Case 4: GetDigit = "Four"
Case 5: GetDigit = "Five"
Case 6: GetDigit = "Six"
Case 7: GetDigit = "Seven"
Case 8: GetDigit = "Eight"
Case 9: GetDigit = "Nine"
Case Else: GetDigit = ""
End Select
End Function