3022 3177 3987 4498 4647 6291 6781 abstract abstractalgebra algebraic applied astronomy combinatorics computational earthsciences general geometry-juniorlevel introductoryastronomy mathematical mathematicalphysics mathematics mathematicsgeneral physical physics post-calculus scm11019 scm11043 scm13120 scm21050 scm29010 scm35000 scp21018 scp22014 statistics suco11649