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. Delphi FPC Cross-platform numerical analysis and data processing library. It supports several operating systems Windows and POSIX, including Linux. ALGLIB features include: Data analysis classification/regression, statistics; Optimization and nonlinear solvers; Interpolation and linear/nonlinear least-squares fitting; Linear algebra direct algorithms, EVD/SVD, direct and iterative linear solvers; Fast Fourier Transform and many other algorithms.
. Delphi FPC Big Floating Point, Big Integers, Astronomical calcualtions
. FPC Provides routines and demo programs for numerical analysis, including mathematical functions, probabilities, matrices, optimization, linear and nonlinear equations, integration, Fast Fourier Transform, random numbers, curve fitting, statistics and graphics. It is entirely written in Pascal and does not depend on external libraries.
. Delphi Multi precision integer, rational, real, and complex arithmetic.