Matrix Computations by 90 Numerical and graphical method. Numerical analysis
91 Interpolation and approximation. Numerical solutions of algebraic-differential & integral equations. Numerical linear algebra. Finite element method
92 Difference equations. Calculus of finite differences. Difference-differential equations
93 Linear programming. Non-linear programming
94 Nomography and curve fitting
95 Calculation and integration devices
96 Nonlinear computation. Functional equations
97 Computational differential equations