3080 3472 3672 4498 5024 5517 algorithms business career combinatorics computerscience dataprocessing decisionsciences differentialequations economics general geometry-juniorlevel heatequation laplacetransformation mathematics operationsresearch partial post-calculus production/operationsmanagement professional sci17001 scm14018 scm21006 scm26024 scm28019 scm29010 statistics suco11649 topology trade waveequation