General, Uncategorized Happy PI day Matman from Lublin, CC BY-SA 3.0 https://creativecommons.org/licenses/by-sa/3.0, via Wikimedia Commons Pi day is not the Pie day ;-). Happy Pi day. March 14, 2021/by Polyhedra https://polyhedra.tech/wp-content/uploads/2021/03/Apple_pie_Pi_Day_2011-1.jpg 900 1200 Polyhedra http://polyhedra.tech/wp-content/uploads/2020/05/Logo-Nom-v2.jpg Polyhedra2021-03-14 16:44:582021-10-27 12:08:26Happy PI day
Matman from Lublin, CC BY-SA 3.0 https://creativecommons.org/licenses/by-sa/3.0, via Wikimedia Commons
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