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|
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).