CALENDAR.

The article presents a list of upcoming conferences related to the computer industry to be held in the U.S. The "Symposium on the Numerical Solution of Nonlinear Differential Equations," will be held on May 9-11, 1966 at Madison, Wisconsin. The "Symposium on Simulation Techniques and Languages," will be held on May 10-11, 1966 at Brunel College, London, England. The "NTC-66--1966 National Telemetering Conference," will be held on May 10-12, 1966 at War Memorial Auditorium, Boston, Massachusetts. The "Operations Research Society of America 29th National Meeting," will be held on May 18-20, 1966 in Los Angeles, California. The "2nd Annual Symposium of the San Diego Council of Data Processing Societies," will be held on May 20, 1966 in San Diego, California. The "UNIVAC Users Association Spring Meeting," will be held on May 25-27,1966 at Royal York Hotel in Toronto, Ontario. The "American Documentation Institute Annual Meeting," will be held on October 3-7, 1966 at Miramar Hotel, Santa Monica, California.