number to text

Option Explicit

'****************
' Main Function *
'****************
Function SpellNumber(ByVal MyNumber)
    Dim WholeNum, 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, ".")
    'Set MyNumber
    If DecimalPlace > 0 Then
        MyNumber = Trim(Left(MyNumber, DecimalPlace - 1))
    End If

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

    SpellNumber = WholeNum
End Function

'*******************************************
' Converts a number from 100-999 into text *
'*******************************************
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. *
'*********************************************
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. *
'*******************************************
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