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Presents letters to the editor referencing articles and topics discussed in previous issues. Description of proprietary software packages; Importance of proprietary software packages in the computer field; Problems related to the access to the U.S. Government's scientific and technical information; Selection of IFIP Congresses sites.

The article presents information on the 1970 Fall Joint Computer Conference that will be held in Houston, Texas, on November 17-19. The conference will have a truly Texas-sized setting, the Astrohall, the world's largest convention and exhibit structure. The technical program may also appear to be Texas-sized in view of its size and diversity. However, it is not so much the program that has grown as the computer industry. The program has therefore been expanded to reflect new developments in computer usage and technology while maintaining its emphasis on various subjects of continuing importance. One of the chief areas of interest is computer software, its present problems and future promises. Two sessions will be devoted on it. Session 21, chaired by M.A. Melkanoff, University of California at Los Angeles, is devoted to the three principal and self-excluding approaches to long-range programming language development being advocated today. A distinguished panel will present a position paper on each of the three approaches and a fourth position paper on relevant research problems.

This article presents information related to the revised algorithm policy of 1961. A contribution to the algorithms department must be in the form of an algorithm, a certification, or a remark. Contributions should be sent in duplicate to the editor, type written double-spaced in capital and lower-case letters. An algorithm must be written in the ALGOL 60 Reference Language, and normally consists of a commented procedure declaration. Each algorithm must be accompanied by a complete driver program in ALGOL 60 which generates test data, calls the procedure, and outputs test answers. Moreover, selected previously obtained test answers should be given in comments in either the driver program or the algorithm. The driver program may be published with the algorithm if it would be of major assistance to a user.