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Presents a design for a number theory package with an optimized trial division routine. Use of doubly linked list structures for storing multiprecise integers; Implementation of the assembly language on several computers; Contents of the theory package.

This article presents several developments related to Association of Computing Machinery (ACM) in different parts of the U.S. The Los Angeles Chapter of ACM recently devoted a meeting to short talks by representatives from some of the local Special Interest Groups. The purpose of this "Sigsampler" was to acquaint members with the purposes and activities of the local SIGs. It is hoped that this will spark increased membership in the SIGs and enable members to select the Group most closely aligned with their interests. The article includes details of meetings and symposiums. One of them was a Symposium on Statistics, Governments, and the Analysis of Social Problems that will be held on December 27, 1969 at the Sheraton Boston Hotel. The purpose of the symposium is to explore ways to improve the design of statistical systems for economic and social data so that information about the relationships between various socio-economic conditions may he more readily available. Another event was the 1970 National Telemetering Conference that will be held in Los Angeles, April 27-30, 1970 under the sponsorship of two IEEE professional groups, Communications Technology, Aerospace and Electronic Systems.

Focuses on algorithms revealing properties of floating point arithmetic units. Development of a portable mathematical software; Significance of a program to directly obtain fundamental properties; Characteristics of the algorithms.

This article presents information on the technical meetings and workshops held by a number of Association for Computing Machinery (ACM) Special Interest Groups and Committees during the Fall 1970 Joint Computer Conference in Houston, Texas. Among the more ambitious ACM-related events held in Houston was an evening panel session on Social Implications of Computer Technology. Sponsorship support came jointly from the ACM Special Interest Committee on Computers and Society, the Social Implications Committee of the IEEE Computer Group, and the AFIPS Social Implications Committee. The high caliber of the panelists was matched by that of the discussion which took place during the session. Shortly before the ACM Council authorized its conversion into a Group, the Special Interest Committee on File Description and Translation brought together representatives from commerce, industry, government and universities, meeting to exchange technical information on data description and access. Papers and discussions alike reflected interests going from the theoretical to the practical, and efforts ranging from individual projects to large committee undertakings.

This article presents brief information about various events related to the field of information science that are likely to be held in the year 1970. It is informed that the third Hawaii International Conference on System Sciences will be held on January 11-16, 1970, in Honolulu, Hawaii. Further, it is informed that the eighth Annual Symposium on Biomathematics and Computer Science in the Life Sciences will be held on March 23-25, 1970, in Houston, Texas. Also, it is informed that the fourth Annual Princeton Conference on Information Sciences and Systems will be held on March 26-27, 1970, in Princeton, New Jersey.

This article presents a list of several forthcoming conferences and events related to the field of computer sciences. The American Management Association Annual EDP Conference is reported to be held during February 23-25, 1970, at the Americana Hotel in New York City. Conference on Computer Time-Sharing Applications, reportedly, will be organized at the University of Pennsylvania, Philadelphia, Pennsylvania, on March 19, 1970. The Eighth Annual Symposium on Biomathematics and Computer Science in the Life Sciences is scheduled to be held in Houston, Texas, during March 23-25, 1970. The Tenth Annual FSU Conference on the Role of the Computer in the University, reportedly, will be held at the Florida State University, Tallahassee, Florida, on March 26 and 27, 1970. Association of Computing Machinery's Allegheny Region Symposium, titled "Interface," is scheduled to be held in Philadelphia, Pennsylvania, on April 18, 1970. The 1970 National Telemetering Conference is going to be held during April 27-30, 1970, in Los Angeles, California.