Calculus 555 Mathematics 155 Operational calculus-- Functional analysis-- Mathematics 109 Differential calculus-- Analysis-- Mathematics 44 Calculus of variations 36 Calculus of tensors 28 Geometry 26 Differential calculus 22 Differential equations 22 Mathematical analysis 22 Calculus of variation-- Analysis-- Mathematics 17 Stochastic analysis 15 calculus 13 Mathematical models 12 Differential Calculus 10 Differentiation 10 Mathematical economics 10 Mathematical optimization 10 Mathematical physics 10 Matrices 10 Vector analysis 10 Algebra 9 Engineering mathematics 9 Functions 9 Integral calculus-- Analysis-- Mathematics 9 analytical geometry 9 Analysis 8 MATHEMATICS / Applied 8 Mechanics 8 Stochastic processes 8