????? ?? ??? ? ??? ???? ??? ???? ?? ??? ??? ????.?????? ? ????? ???? ???? ?? ??(???? ????? ????? ???? ?? ?)? ??? ??? ??A shared whiteboard allows you to draw, graph features, publish intricate equations and share data files. Audio and movie so clear, it’ll truly feel like you’re in the same area. Function in many different programming languages