Initial data commit

Task/Binary-digits/Visual-Basic/binary-digits.vb

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+Public Function Bin(ByVal l As Long) As String
+Dim i As Long
+  If l Then
+    If l And &H80000000 Then 'negative number
+      Bin = "1" & String$(31, "0")
+      l = l And (Not &H80000000)
+
+      For i = 0 To 30
+      If l And (2& ^ i) Then
+        Mid$(Bin, Len(Bin) - i) = "1"
+      End If
+      Next i
+
+    Else                     'positive number
+      Do While l
+      If l Mod 2 Then
+        Bin = "1" & Bin
+      Else
+        Bin = "0" & Bin
+      End If
+      l = l \ 2
+      Loop
+    End If
+  Else
+    Bin = "0"                'zero
+  End If
+End Function
+
+'testing:
+Public Sub Main()
+  Debug.Print Bin(5)
+  Debug.Print Bin(50)
+  Debug.Print Bin(9000)
+End Sub