Posamentier, A. S., & Lehmann, I. (2004). Pi: A biography of the world’s most mysterious number. Prometheus Books. https://books.google.com/books?hl=en&lr=&id=PpwBHkxL64kC&oi=fnd&pg=PA7&dq=history+of+pi&ots=PZm4cUX5kT&sig=5pgZCstFf87rgPy_nSi5664r6Fs#v=onepage&q&f=false
Mugford, S. T., Mallon, E. B., & Franks, N. R. (2001). The accuracy of Buffon’s needle: A rule of thumb used by ants to estimate area. Behavioral Ecology, 12(6), 655–658. https://doi.org/10.1093/beheco/12.6.655
Siniksaran, E. (2009). Throwing Buffon’s needle with Mathematica. The Mathematica Journal, 11(1). https://doi.org/10.3888/tmj.11.1-4
Rosenberg, B., & Archimedes. (2003). Archimedes and Pi. https://www.cs.miami.edu/home/burt/manuscripts/archimedes/meas_circle.pdf
Strbac-Savic, S., Miletic, A., Stefanovic, H., Visoka škola elektrotehnike i računarstva strukovnih studija u Beogradu, Academy of Technical and Art Applied Studies School of Electrical and Computer, & Visoka škola elektrotehnike i računarstva strukovnih studija u Beogradu. (2015). The estimation of Pi using Monte Carlo technique with interactive animations. In 8th International Scientific Conference “Science and Higher Education in Function of Sustainable Development” [Conference Paper]. https://www.researchgate.net/profile/Ana-Miletic-2/publication/282909462_The_estimation_of_Pi_using_Monte_Carlo_technique_with_interactive_animations/links/56b34b8008ae3d06a2664232/The-estimation-of-Pi-using-Monte-Carlo-technique-with-interactive-animations.pdf
Beckmann, P. (1993). A history of Pi. Barnes & Noble Books. https://books.google.com/books?hl=en&lr=&id=XqqUUSyz138C&oi=fnd&pg=PA9&dq=pi+babylonians&ots=aaXnIQVB9F&sig=HIZgLA4yFYazRZRCifggh0MQTnQ#v=onepage&q=pi%20babylonians&f=false
Allen, G. (2017, January 1). Early PI. Brill. https://brill.com/display/book/edcoll/9789463511377/BP000007.xml
Baker, H. (2024, March 14). Why NASA uses only 16 of the 105 trillion digits of pi we know. LiveScience. https://www.livescience.com/physics-mathematics/mathematics/pi-day-2024-why-nasa-uses-only-16-of-the-62-trillion-digits-of-pi-we-know