Khi3

Math, financials, stats, combinative, dates, y=f(x), series, units and calendars conversions, geometry, pi, Fourier, Taylor, Gamma, Bessel, Bernoulli, Fisher, prime numbers, fractionations, equations, electricity, chemistry, molar masses, currencies. Divx Bitrate Calculator. Advanced astronomy and simulations 3d, physical and chemical Constants. Games: gravitation, billiards, calculations, tetris, quotations.