Tk-Yupana emulates the Yupana, an ancient calculating device of the Incas.
| Tags | education ethnomathematics Mathematics history |
|---|---|
| Licenses | GPL v3 or later |
| Operating Systems | Linux Windows |
| Implementation | Tcl/Tk Tcl Tk |
| Translations | Italian Spanish English Quechua |
Recent releases


Release Notes: This release fixes radicati addition and filling speed.


Release Notes: Subtraction and multiplication algorithms for the Yupana by Radicati di Primeglio were added. There were code fixes and improvements, and new experimental localizations to Romanian and Filipino.


Release Notes: This release fixes the Interpretation and implementation of the Yupana by Radicati di Primeglio. The GUI has been localized for Romanian.


Release Notes: A new theory has been added: representation of numbers and an addition algorithm have been implemented. The GUI has been localized for the following languages: French, German, Portuguese, Russian, and Japanese.


Release Notes: This release changes Yupana by Florio (multiplication algorithm updated), Yupana by Wassen (representation: seeds displacement added), and documentation (User Manual updated).