diff --git a/wxPython/docs/CHANGES.txt b/wxPython/docs/CHANGES.txt
index 8c427e89ff..ce1cd39b02 100644
--- a/wxPython/docs/CHANGES.txt
+++ b/wxPython/docs/CHANGES.txt
@@ -32,6 +32,9 @@ you can now write::
 Will Sadkin provided a patch for the wx.lib.masked package that fixes
 its support for using the navigation keys on the numeric keypad.
 
+wx.lib.plot: patch #1663937 to allow user to turn off scientific
+notation on plot.
+
 
 
 
diff --git a/wxPython/wx/lib/plot.py b/wxPython/wx/lib/plot.py
index 0e5d01f1ec..7bb44770e5 100644
--- a/wxPython/wx/lib/plot.py
+++ b/wxPython/wx/lib/plot.py
@@ -567,6 +567,8 @@ class PlotCanvas(wx.Panel):
         self._pointLabelFunc= None
         self.canvas.Bind(wx.EVT_LEAVE_WINDOW, self.OnLeave)
 
+        self._useScientificNotation = False
+
         self.canvas.Bind(wx.EVT_PAINT, self.OnPaint)
         self.canvas.Bind(wx.EVT_SIZE, self.OnSize)
         # OnSize called to make sure the buffer is initialized.
@@ -746,6 +748,12 @@ class PlotCanvas(wx.Panel):
         """Set True to show scrollbars"""
         return self.sb_vert.IsShown()
 
+    def SetUseScientificNotation(self, useScientificNotation):
+        self._useScientificNotation = useScientificNotation
+
+    def GetUseScientificNotation(self):
+        return self._useScientificNotation
+
     def SetEnableDrag(self, value):
         """Set True to enable drag."""
         if value not in [True,False]:
@@ -1565,7 +1573,7 @@ class PlotCanvas(wx.Panel):
                 error = e
                 factor = f
         grid = factor * 10.**power
-        if power > 4 or power < -4:
+        if self._useScientificNotation and (power > 4 or power < -4):
             format = '%+7.1e'        
         elif power >= 0:
             digits = max(1, int(power))