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File:NautilusCutawayLogarithmicSpiral.jpg

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 This picture was nominated as a featured picture candidate in May 2005.
Mathematics icon This image was selected as picture of the month on the Mathematics Portal for January 2006

Nautilus shell cut in half. The chambers are clearly visible and arranged in a logarithmic spiral.


Photo taken by me -- Chris 73 | Talk 12:40, 5 May 2004 (UTC)


derivative works

Derivative works of this file:


Licensing:

This image was created by Chris 73. The image is licensed under a dual license; please choose either of the two licenses below as desired. Attribution to Wikipedia or another project of the Wikimedia foundation is required for both licenses if the image is used outside of projects of the Wikimedia foundation. Attribution to me is not required.

GNU head Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.3 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License.

w:en:Creative Commons
attribution share alike		 This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license.
Attribution: Chris 73 / Wikimedia Commons
You are free:
  • to share – to copy, distribute and transmit the work
  • to remix – to adapt the work
Under the following conditions:
  • attribution – You must attribute the work in the manner specified by the author or licensor (but not in any way that suggests that they endorse you or your use of the work).
  • share alike – If you alter, transform, or build upon this work, you may distribute the resulting work only under the same or similar license to this one.

"I want to use the image. How do I do that?"

You can use this image freely for any purpose, including commercial use, provided that you license it under one of the above licenses. My suggestion is to use the following text:

This Wikipedia and Wikimedia Commons image is from the user Chris 73 and is freely available at //commons.wikimedia.org/wiki/File:NautilusCutawayLogarithmicSpiral.jpg under the creative commons cc-by-sa 3.0 license.

For privacy reasons please use only "Chris 73" as author. If necessary, please translate the text in your language. For electronic use please include the links in the text as shown, for printed use please print the text as shown. If you use the image I would appreciate it if you would let me know on my talk page, but this is not required as long as you follow one of the above licenses.

License amendment for the AMTNYS 57th Annual Fall Conference

as per request of the conference organizers:

For the " AMTNYS 57th Annual Fall Conference" attribution of this image is required only for documents printed on paper (flyers, confrence proceedings, programs, etc.) and in electronic form (DVD, CD, online, etc.). Attribution is required at least only once per print item or set of electronic documents ( e.g. on the back of the cover page of the proceedings, at the bottom of the flyer, once per CD, etc). Additional attribution can be done where the conference organizers feel it suitable (e.g. individual web pages). Attribution is not required for promotional material related to the conference, where the license cannot be added in a suitable way (T-shirts, Buttons, etc.). This amendment does not have to be printed as part of the license.

The following pages on Schools Wikipedia link to this image (list may be incomplete):

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