Tk-Yupana

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)

Project Samples

Yupana by Glynn (positional, base 10) - Number representation

Yupana by Florio (sign-value notation) - multilpication algorithm)

Yupana by Florio (sign-value notation) - Addition algorithm

Yupana by Glynn (positional, base 10) - Multiplication algorithm

Yupana by Wassen (positional, base 10) - Number representation

Yupana by Radicati (positional, base 10) - Multiplication Algorithm

Project Activity

See All Activity >

License

GNU General Public License version 3.0 (GPLv3)

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Tk-Yupana Web Site

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Additional Project Details

Operating Systems

BSD, Linux, Windows

Languages

English, Italian, Spanish

Intended Audience

Education, End Users/Desktop, Non-Profit Organizations

User Interface

Programming Language

Tcl

Related Categories

Tcl Mathematics Software, Tcl History Software, Tcl Education Software

Registered

2012-11-15

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