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Tk-Yupana

alpha

Incan Abacus Emulator

5.0 Stars (1)
3 Downloads (This Week)
Last Update:
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Description

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

Tk-Yupana Web Site

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)

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User Reviews

  • josharmstrong
    1 of 5 2 of 5 3 of 5 4 of 5 5 of 5

    terrific program

    Posted 12/27/2012
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Additional Project Details

Languages

English, Italian, Spanish

Intended Audience

Education, End Users/Desktop, Non-Profit Organizations

User Interface

Tk

Programming Language

Tcl

Registered

2012-11-15
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