The Wolfram Functions Site
Created with Mathematica® (a computer program for symbolic calculus), developed and maintained by Wolfram Research, provides the mathematical and scientific community with a collection of formulas and graphics about mathematical functions. Each entry is filled with informations about local and global behaviour, history, complex representation, noteworthy theorems and special topics. Separate categories are dedicated to constants (e, pi, golden ratio, Euler-Mascheroni number, imaginary unit i), elementary functions (polynomials, trigonometric, exponential, logarithmic) and special functions (Gamma-type, Bessel-type, hypergeometric, elliptic, Riemann zeta-type).
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