E. Balaguruswamy's Numerical Methods is a detailed reference for mathematics and computer science undergraduates studying numerical methods. The book covers the basics of numerical computing and teaches readers about approximations and errors in computing. It also covers linear and nonlinear equations, curve fitting, differentiation and integration, Partial Differential Equations, Boundary value and Eigen value problems. In addition, the book offers FORTRAN programs and algorithms for all the forms of problems.