http://experiences.math.cnrs.fr/Calcul-de-Pi-avec-des-aiguilles-et.html
http://revue.sesamath.net/spip.php?article353#62
http://blog.recursiveprocess.com/2013/03/14/calculate-pi-with-python/
https://github.com/Naereen/notebooks/blob/master/Py_Pi_Day_2017.ipynb
http://www.lifl.fr/~jdelahay/pls/2016/271.pdf
https://mk.bcgsc.ca/pi/piday.mhtml
https://x.com/QuangThaiNgo1/status/1877275563867410843
set de table Pi day.pdf
PiDay.pdfposter_formules_AnecdotesMaths_versionA4 (2).pdf
set de table Pi day.pdfPiDay.pdfposter_formules_AnecdotesMaths_versionA4 (2).pdf