File:Pi Day (13153596925).jpg
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Here’s how some at NSF celebrate “Pi day,” March 14 – with a pie competition. The judges are from NSF’s Directorate for Mathematical and Physical Sciences. Pi, the ratio of a circle’s circumference to its diameter, is 3.141592…and on and on. Pi is infinite, without pattern—it has been calculated to more than one trillion digits beyond the decimal point—and continues to be of keen interest to researchers in a number of fields of mathematics and science. Learn about NSF-supported mathematical research and real-world problems in this discovery article.
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| Date | Taken on 14 March 2014 16:23 |
| Source | Pi Day |
| Author | Jessica Arriens, National Science Foundation |
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This image is a work of a National Science Foundation employee, taken or made as part of that person's official duties. As a work of the U.S. federal government, the image is in the public domain. |  |
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This image was originally posted to Flickr by National Science Foundation at https://flickr.com/photos/37157086@N02/13153596925. It was reviewed on 15 March 2017 by FlickreviewR and was confirmed to be licensed under the terms of the United States Government Work. |
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| current | 05:51, 15 March 2017 | | 764 × 1,024 (123 KB) | FallingGravity (talk | contribs) | Transferred from Flickr via Flickr2Commons |
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