calpak , a library which makes various calendar calculations; cauchy_principal_value , a library which uses Gauss-Legendre quadrature to estimate the Cauchy Principal Value (CPV) of certain singular integrals. cc_io a library which reads and writes sparse linear systems stored in the Compressed Column (CC) format. cc_to_st a library which converts a sparse matrix from compressed column (CC) to sparse triplet (ST) format. ccn_rule , a program which defines a one of a sequence of nested Clenshaw Curtis quadrature rules of any order. ccvt_box , a program which calculates a Centroidal Voronoi Tessellation (CVT) constrained to a box region, with points projected to the boundary; ccvt_reflect , a program which carries out a Centroidal Voronoi Tessellation (CVT) calculation that tries to include points on the boundary as well as the interior, using a natural (nonparametric) technique; cdflib , a library which evaluates the cumulative density function (CDF), inverse CDF, and certain other inverse functions, for distributions including beta, binomial, chi-square, noncentral chi-square, F, noncentral F, gamma, negative binomial, normal, Poisson, and students T, by Barry Brown, James Lovato, Kathy Russell. cell , a library which defines a cell array, a generalization of an array which can compactly store and retrieve vector or matrix data of varying size, such as the rows of a triangular matrix. cellular_automaton , a program which demonstrates the 1D Cellular Automaton known as rule #30. cg , a library which implements a simple version of the conjugate gradient (CG) method for solving a system of linear equations of the form A*x=b, suitable for situations in which the matrix A is positive definite (only real, positive eigenvalues) and symmetric. cg_rc , a library which implements the conjugate gradient method for solving a positive definite sparse linear system A*x=b, using reverse communication. cg_serial , a program which is a serial version of the NAS Parallel Benchmark CG (conjugate gradient solver). change_making , a library which considers the change making problem, in which a given sum is to be formed using coins of various denominations. chebyshev , a library which computes the Chebyshev interpolant/approximant to a given function over an interval. chebyshev_interp_1d , a library which determines the combination of Chebyshev polynomials which interpolates a set of data, so that p(x(i)) = y(i). chebyshev_polynomial , a library which considers the Chebyshev polynomials T(i,x), U(i,x), V(i,x) and W(i,x). Functions are provided to evaluate the polynomials, determine their zeros, produce their polynomial coefficients, produce related quadrature rules, project other functions onto these polynomial bases, and integrate double and triple products of the polynomials. chebyshev_series , a library which can evaluate a Chebyshev series approximating a function f(x), while efficiently computing one, two or three derivatives of the series, which approximate f'(x), f''(x), and f'''(x), by Manfred Zimmer. chebyshev1_rule , a program which computes and writes out a Gauss-Chebyshev type 1 quadrature rule of given order. chebyshev2_rule , a program which computes and writes out a Gauss-Chebyshev type 2 quadrature rule of given order.