Ooura

Ooura’s mathematical software packages: Numerical Integration (Quadrature) - DE Formula (Almighty Quadrature); DE Formula Bibliography; Numerical Integration (Quadrature) - Clenshaw-Curtis Rule; FFT (Fast Fourier / Cosine / Sine Transform) - 1-dim / 2-dim; Special Functions - Gamma / Error Functions; Special Functions - Bessel Functions (integer order)