- Fast Fourier Transforms
- Random Number Generation
- Random Number Distributions
- Polynomials
- Interpolation
- Mathematical Functions
- Least-Squares Fitting
- One dimensional Root-Finding
- One dimensional Minimization
- Numerical Differentiation
- Monte Carlo Integration
- IEEE floating-point arithmetic
- Numerical Integration
- Quasi-Random Sequences
- Chebyshev Approximations
- Multidimensional Root-Finding
- Multidimensional Minimization
- Series Acceleration
- Nonlinear Least-Squares Fitting
- Simulated Annealing
- Ordinary Differential Equations
- Linear Algebra
- Eigensystems
- BLAS Support
- Vectors and Matrices
- Physical Constants
- Statistics
- Complex Numbers
- Wavelet Transforms
- Special Functions
- Permutations
- Histograms
- Sorting
- Combinations
- N-tuples
- Discrete Hankel Transforms