SMathStudioDesktop.0_89.Mono $ mono SMathStudio_Desktop.exe 
libcups not found. To have printing support, you need cups installed
System.ArgumentException: A null reference or invalid value was found [GDI+ status: InvalidParameter]
  at System.Drawing.GDIPlus.CheckStatus (Status status) [0x00000] in <filename unknown>:0 
  at System.Drawing.Drawing2D.LinearGradientBrush..ctor (Rectangle rect, Color color1, Color color2, LinearGradientMode linearGradientMode) [0x00000] in <filename unknown>:0 
  at (wrapper remoting-invoke-with-check) System.Drawing.Drawing2D.LinearGradientBrush:.ctor (System.Drawing.Rectangle,System.Drawing.Color,System.Drawing.Color,System.Drawing.Drawing2D.LinearGradientMode)
  at System.Windows.Forms.ToolStripProfessionalRenderer.OnRenderToolStripPanelBackground (System.Windows.Forms.ToolStripPanelRenderEventArgs e) [0x00000] in <filename unknown>:0 
  at System.Windows.Forms.ToolStripRenderer.DrawToolStripPanelBackground (System.Windows.Forms.ToolStripPanelRenderEventArgs e) [0x00000] in <filename unknown>:0 
  at System.Windows.Forms.ToolStripPanel.OnPaintBackground (System.Windows.Forms.PaintEventArgs e) [0x00000] in <filename unknown>:0 
  at System.Windows.Forms.Control.WmPaint (System.Windows.Forms.Message& m) [0x00000] in <filename unknown>:0 
  at System.Windows.Forms.Control.WndProc (System.Windows.Forms.Message& m) [0x00000] in <filename unknown>:0 
  at System.Windows.Forms.ScrollableControl.WndProc (System.Windows.Forms.Message& m) [0x00000] in <filename unknown>:0 
  at System.Windows.Forms.ContainerControl.WndProc (System.Windows.Forms.Message& m) [0x00000] in <filename unknown>:0 
  at System.Windows.Forms.Control+ControlWindowTarget.OnMessage (System.Windows.Forms.Message& m) [0x00000] in <filename unknown>:0 
  at System.Windows.Forms.Control+ControlNativeWindow.WndProc (System.Windows.Forms.Message& m) [0x00000] in <filename unknown>:0 
  at System.Windows.Forms.NativeWindow.WndProc (IntPtr hWnd, Msg msg, IntPtr wParam, IntPtr lParam) [0x00000] in <filename unknown>:0 
Thu Nov 11 20:43:24 wmertens-mac mono[37293] <Error>: kCGErrorCannotComplete: CGSDeviceGetGeometry: Invalid device window
Thu Nov 11 20:43:24 wmertens-mac mono[37293] <Error>: kCGErrorFailure: Set a breakpoint @ CGErrorBreakpoint() to catch errors as they are logged.
Thu Nov 11 20:43:24 wmertens-mac mono[37293] <Error>: kCGErrorCannotComplete: CGSDeviceSynchronize: Invalid device window
Thu Nov 11 20:43:24 wmertens-mac mono[37293] <Error>: kCGErrorCannotComplete: CGSDeviceSynchronize: Invalid device window