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6_2008-2009 Math/ Dates #204079

BigDecToHex

Converting decimal value to hexadecimal WITHOUT! using the VB functions or mod (which are limited to long data type value), therefore the function can handle BIG numbers, untill 15,000,000,000,000,000 (1.5E+16).

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Source Code
original-source
Public Function BigDecToHex(ByVal DecNum) As String
  ' This function is 100% accurate untill 15,000,000,000,000,000 (1.5E+16)
  
  Dim NextHexDigit As Double
  Dim HexNum As String
  
  HexNum = ""
  While DecNum <> 0
    NextHexDigit = DecNum - (Int(DecNum / 16) * 16)
    
    If NextHexDigit < 10 Then
      HexNum = Chr(Asc(NextHexDigit)) & HexNum
    Else
      HexNum = Chr(Asc("A") + NextHexDigit - 10) & HexNum
    End If
    
    DecNum = Int(DecNum / 16)
  Wend
  If HexNum = "" Then HexNum = "0"
  BigDecToHex = HexNum
End Function
Original Comments (3)
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