Rod_numeral_positioning.JPG


Summary

Description
English: An excerpt showing an example of counting rods for the number 71,824 by showing the Chinese numerals 七一八二四 and their respective place values 萬千百十步 above the number represented in counting rods.
中文(简体): 杨辉算筹布位法
Date 13 th century
date QS:P,+1250-00-00T00:00:00Z/7
Source Ming dynasty Yongle Encyclopedia
Author Yang Hui (13th century)

Licensing

Public domain

This work is in the public domain in its country of origin and other countries and areas where the copyright term is the author's life plus 70 years or fewer .


You must also include a United States public domain tag to indicate why this work is in the public domain in the United States. Note that a few countries have copyright terms longer than 70 years: Mexico has 100 years, Jamaica has 95 years, Colombia has 80 years, and Guatemala and Samoa have 75 years. This image may not be in the public domain in these countries, which moreover do not implement the rule of the shorter term . Honduras has a general copyright term of 75 years, but it does implement the rule of the shorter term. Copyright may extend on works created by French who died for France in World War II ( more information ), Russians who served in the Eastern Front of World War II (known as the Great Patriotic War in Russia) and posthumously rehabilitated victims of Soviet repressions ( more information ).

Captions

An example of counting rods for the number 71,824.

Items portrayed in this file

depicts