This report reviews the research activities of the Applied Mathematical Sciences Section for the period April 1, 1980, through March 31, 1981. The body of the report discusses various projects carried out in three major areas of research: applied analysis, computational mathematics, and software engineering. Information on section staff, visitors, workshops, and seminars is found in the appendices.

Annual report of the environmental monitoring program at Argonne National Laboratory, discussing activities and findings of the group.

Report of activities of Argonne Chemical Engineering Division, including advanced battery project, electro-chemical project management, advanced fuel cell development, utilization of coal, magnetohydrodynamics heat and seed recovery technology, solar energy, fast reactor chemistry research, nuclear fuel cycle studies, magnetic fusion energy research, and basic energy science.