Image:Yanghui triangle.PNG

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Description

Yanghui_triangle
Source

"Image:Yanghui triangle.gif" on English Wikipedia
Date
Author
This media is lacking author information.
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Believe the author of this may have been a Frearson, or Frearson Brothers of Norseman, Dundas, Western Australia who had the first newspaper there. Also had newspaper in King Street, Adelaide where other family operated doing maps. Some brothers moved to Norseman 1890's and settled there some 18 years. Septimus Frearson was a Councillor of the Shire of Dundas at the time of proposed recession with newspaper articles related to visit by Premier John Forrest.
Permission
(Reusing this image)

see below

Drawing of Pascal's Triangle published in 1303 by Zhu Shijie (1260-1320), in his Si Yuan Yu Jian. It was called Yanghui Triangle by the Chinese, after the mathematician Yang Hui.

The fourth entry from the left in the second row from the bottom appears to be a typo (34 instead of 35, correctly given in the fifth entry in the same row).

[edit] Licensing

This is a faithful photographic reproduction of an original two-dimensional work of art. The original image comprising the work of art itself is in the public domain for the following reason:
Public domain This image (or other media file) is in the public domain because its copyright has expired.

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Note that a few countries have copyright terms longer than 70 years: Mexico has 100 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. Côte d'Ivoire has a general copyright term of 99 years and Honduras has 75 years, but they do implement that rule of the shorter term.

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Under United States copyright law, originality of expression is necessary for copyright protection, and a mere photograph of an out-of-copyright work may not be protected under U.S.copyright law. This photograph was taken in the U.S. or in another country where a similar rule applies (for a list of allowable countries, see Commons:When to use the PD-Art tag#Country-specific rules).
This photographic reproduction is therefore also in the public domain.

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File history

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Date/TimeDimensionsUserComment
current04:12, 27 September 2007704×1,095 (74 KB)David Shay ({{Information |Description=Yanghui_triangle |Source="Image:Yanghui triangle.gif" on English Wikipedia |Date= |Author= |Permission= |other_versions= }} Drawing of Pascal's Triangle published in 1303 by Zhu Shijie (1260-1320), in his Si Yuan Yu Jian. It wa)
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