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
Features
- Implementation of the Base 10/Positional System by H. Wassen (1931)
- Implementation of the Base 10/Positional System by C. Radicati (1979)
- Implementation of the Base 10/Positional System by W. Glynn (1981)
- Implementation of the Base 40/Positional System by De Pasquale (2001)
- Implementation of the Base 10/Positional System by Chirinos (2008)
- Implementation of the Sign-value notation System by Florio (2009)
- Implementation of the Base 144/Positional System by Kak (2014)
INSTALLATION INFO: https://tkdocs.com/tutorial/install.html
