Khi3 is a scientific calculator! Math, finances, statistics, combinative, factorials, calculations of dates, curves y=f(x), series, units conversions, calendars conversions (Gregorian, Julien, republican), Triangle interactive geometry, Pi calculation (10.000 digits) and statistical approach, Fourier series, Taylor developments, functions : Gamma, Bessel, Bernoulli, Fisher, prime numbers, fractionals, factorization, calculations on complex numbers, equations solver, famous curves and surfaces, quadrics, orthodromy and loxodromy, currencies rates, amounts in letters, Romans.

Elements, Molar masses calculation, physical and chemical constants. 40 usual electric diagrams. Conversions of bases(2 to 36), ASCII/Unicode. Nice Divx Bitrate Calculator (frames, audio, tracks, support, etc).

Astronomy: Geocentric and heliocentric planetary co-ordinates. Simulation 3d of the Solar system. Calculation of positions of Mars, Jupiter and Saturne satellites, with 3d animations. Ballade in stars. Equatorial planets Projection.
Games: Gravitation (shootings, undersailors), chaotic pendulum, Satellites, Game of Life, Invaders, Tetris, Biorythms, Billiards simulation (French, Indian), Tic TaC Toe, Quotations, Hex, French Geography, Lunar landing...
New : professional functions, graphs with openGL for complex surfaces, Lyapounov 3D, ...