518 applicationsofmathematics chemistryandearthsciences computationalmathematicsandnumericalanalysis computationalscienceandengineering computerscience differentialequations engineering engineeringmathematics functionalanalysis general mathematicalmodels mathematicalstatistics mathematics numericalanalysis ordinarydifferentialequations physics probabilityandstatisticsincomputerscience qa276-280 qa71-90 statistics statisticsforengineering