Coccinella is a free and open-source cross-platform communication tool with a built-in whiteboard for improved collaboration with other people.
Juego de simulación entre vampiros y hombres lobo
Incan Abacus Emulator
The Yupana was an ancient calculating device of the Incas. This simple program compares different theories: - positional notation * Base 10 by H. Wassen (representation, addition) * Base 10 by C. Radicati di Primeglio (representation, addition, subtraction, multiplication) * Base 10 by W. Burns Glynn (representation, addition, multiplication) * Base 40 by N. De Pasquale (representation) - sign-value notation * Powers of ten by C. Florio (representation, addition, multiplication) GUI & Manual main translations: en, es, it Only GUI translations (alpha version): qu, pt, fr, de, ro, ru, jp