?? ?? ???? ??? ? ?? ?? ????? ?? ??? ???? ????.???? ??? ??? ??? ? ?? ?? ????. ??? ??? ?????? ?????? ?? ? ??? ? ???? > ???? > ???? ?? ???? ? ??? ? ????.?? ???? ??? ? ?? ????? ??? ??? ?? ??? ???? ?? ??? ??? ??????? ???.A shared whiteboard permits you to draw, graph functions, produce intricate equations and share information. Audio and online video so