انجمن کامپیوتر آمریکا 

ACM is the world's largest educational and scientific computing society.

Tehran / Iran ACM Chapter has been chartered by the action of the Membership Activities Board of the Association for Computing Machinery on April 3, 2003.
The Chapter is organized and operated exclusively for educational and scientific purpose to promote knowledge and interest in the science, engineering, design, development,  management and applications of modern computing.