Geometry Data processing 25 Mathematics 13 Computer graphics 10 Functional analysis 9 Banach spaces 8 Mathematical models 7 History 6 Study and teaching 6 Algebra 5 Computer-aided design 5 Problems, Famous 5 Topology 5 Mathematical analysis 4 Mathematical physics 4 CAD/CAM systems 3 Combinatorial analysis 3 Early works to 1800 3 Geometrical models 3 Microcomputers 3 ART 2 Analysis of variance 2 Arithmetic 2 Calculus 2 Computer science 2 Computer-assisted instruction 2 Differentiable dynamical systems 2 Differential 2 Differential equations, Partial 2 Fourth dimension 2