Introduction - If you have any usage issues, please Google them yourself
The following is the title of main chapters: 1 Introduction 2 Solving Linear Equations 3 interpolation and extrapolation function of numerical integration 4 5 6 special function function evaluation of random numbers 7 8 9 Sort Roots and nonlinear equations 10 function extremum characteristics of the system 12 FFT 13 11 Fourier spectrum of applications (including wavelet) statistical analysis of 14 of 15 least squares Ordinary Differential Equations < ----- 16 17 18 two-point boundary problem of theory of integral equations and inversion 19 20 small number of partial differential equations numerical algorithm < -----