Pi (Indonesian Wikipedia)
Analysis of information sources in references of the Wikipedia article "Pi" in Indonesian language version.
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archive.org
- Jones, William (1706). Synopsis Palmariorum Matheseos. London: J. Wale. hlm. 243, 263. hlm. 263:
There are various other ways of finding the Lengths, or Areas of particular Curve Lines or Planes, which may very much facilitate the Practice; as for instance, in the Circle, the Diameter is to Circumference as 1 to
Reprinted in Smith, David Eugene (1929). "William Jones: The First Use of π for the Circle Ratio". A Source Book in Mathematics. McGraw–Hill. hlm. 346–347.
3.14159, &c. = π. This Series (among others for the same purpose, and drawn from the same Principle) I receiv'd from the Excellent Analyst, and my much Esteem'd Friend Mr. John Machin; and by means thereof, Van Ceulen's Number, or that in Art. 64.38. may be Examin'd with all desireable Ease and Dispatch. - Bailey, David H.; Plouffe, Simon M.; Borwein, Peter B.; Borwein, Jonathan M. (1997). "The quest for PI". The Mathematical Intelligencer. 19 (1): 50–56. CiteSeerX 10.1.1.138.7085. doi:10.1007/BF03024340. ISSN 0343-6993. S2CID 14318695.
- Rudin, Walter (1976). Principles of Mathematical Analysis. McGraw-Hill. ISBN 0-07-054235-X. , p 183.
- Posamentier & Lehmann 2004, hlm. 25 Posamentier, Alfred S.; Lehmann, Ingmar (2004). Pi: A Biography of the World's Most Mysterious Number. Prometheus Books. ISBN 978-1-59102-200-8.
- Beckmann 1989, hlm. 37 Beckmann, Peter (1989) [1974]. History of Pi. St. Martin's Press. ISBN 978-0-88029-418-8.
- Lange, L. J. (1999). "An Elegant Continued Fraction for π". The American Mathematical Monthly. 106 (5): 456–458. doi:10.2307/2589152. JSTOR 2589152. ;
- Eymard, Pierre, Lafon, Jean Pierre 1999, hlm. 78. Eymard, Pierre, Lafon, Jean Pierre (1999). The Number Pi. American Mathematical Society. ISBN 978-0-8218-3246-2. Pemeliharaan CS1: Banyak nama: authors list (link), English translation by Stephen Wilson.
- Verner, M. (2003). "The Pyramids: Their Archaeology and History". ; , p. 70.
- Petrie (1940). "Wisdom of the Egyptians". ; , p. 30.
- Beckmann 1989, hlm. 14–16. Beckmann, Peter (1989) [1974]. History of Pi. St. Martin's Press. ISBN 978-0-88029-418-8.
- Boyer & Merzbach 1991, hlm. 168 Boyer, Carl B.; Merzbach, Uta C. (1991). A History of Mathematics (Edisi 2). Wiley. ISBN 978-0-471-54397-8.
- Boyer & Merzbach 1991, hlm. 202 Boyer, Carl B.; Merzbach, Uta C. (1991). A History of Mathematics (Edisi 2). Wiley. ISBN 978-0-471-54397-8.
- Roy 1990, hlm. 101–102 Roy, Ranjan (1990). "The Discovery of the Series Formula for pi by Leibniz, Gregory, and Nilakantha". Mathematics Magazine. 63 (5): 291–306. doi:10.2307/2690896.
- Borwein, J. M.; Borwein, P. B.; Dilcher, K. (1989). "Pi, Euler Numbers, and Asymptotic Expansions". American Mathematical Monthly. 96 (8): 681–687. doi:10.2307/2324715.
- Wells, David (1997). The Penguin Dictionary of Curious and Interesting Numbers (Edisi revised). Penguin. hlm. 35. ISBN 978-0-140-26149-3.
- Posamentier & Lehmann 2004, hlm. 284 Posamentier, Alfred S.; Lehmann, Ingmar (2004). Pi: A Biography of the World's Most Mysterious Number. Prometheus Books. ISBN 978-1-59102-200-8.
- Ramaley, J. F. (October 1969). "Buffon's Noodle Problem". The American Mathematical Monthly. 76 (8): 916–918. doi:10.2307/2317945. JSTOR 2317945.
- Posamentier & Lehmann 2004, hlm. 105 Posamentier, Alfred S.; Lehmann, Ingmar (2004). Pi: A Biography of the World's Most Mysterious Number. Prometheus Books. ISBN 978-1-59102-200-8.
- Posamentier & Lehmann 2004, hlm. 105–108 Posamentier, Alfred S.; Lehmann, Ingmar (2004). Pi: A Biography of the World's Most Mysterious Number. Prometheus Books. ISBN 978-1-59102-200-8.
- Rabinowitz, Stanley; Wagon, Stan (1995). "A spigot algorithm for the digits of Pi". American Mathematical Monthly. 102 (3): 195–203. doi:10.2307/2975006. ;
- Gagasan bahwa kolam ini berbentuk heksagonal telah diberikan sebagai penjelasan terhadap disparitas ini. Lihat Borwein, Jonathan M.; Bailey, David H. (2008). Mathematics by Experiment: Plausible Reasoning in the 21st century (Edisi revised 2nd). A. K. Peters. ISBN 978-1-56881-442-1. , pp. 103, 136, 137.
bbc.co.uk
- Palmer, Jason (16 September 2010). "Pi record smashed as team finds two-quadrillionth digit". BBC News. Diakses tanggal 26 March 2011.
bellard.org
- Bellard, Fabrice, "Computation of 2700 billion decimal digits of Pi using a Desktop Computer", 11 Feb 2010.
books.google.com
- Arndt & Haenel 2006, hlm. 17. Arndt, Jörg; Haenel, Christoph (2006). Pi Unleashed. Springer-Verlag. ISBN 978-3-540-66572-4. Diakses tanggal 2013-06-05. English translation by Catriona and David Lischka.
- Arndt & Haenel 2006, hlm. 8 Arndt, Jörg; Haenel, Christoph (2006). Pi Unleashed. Springer-Verlag. ISBN 978-3-540-66572-4. Diakses tanggal 2013-06-05. English translation by Catriona and David Lischka.
- Arndt & Haenel 2006, hlm. 5 Arndt, Jörg; Haenel, Christoph (2006). Pi Unleashed. Springer-Verlag. ISBN 978-3-540-66572-4. Diakses tanggal 2013-06-05. English translation by Catriona and David Lischka.
- Arndt & Haenel 2006, hlm. 22–23
Preuss, Paul (23 July 2001). "Are The Digits of Pi Random? Lab Researcher May Hold The Key". Lawrence Berkeley National Laboratory. Diarsipkan dari asli tanggal 2007-10-20. Diakses tanggal 10 November 2007. Arndt, Jörg; Haenel, Christoph (2006). Pi Unleashed. Springer-Verlag. ISBN 978-3-540-66572-4. Diakses tanggal 2013-06-05. English translation by Catriona and David Lischka. - Arndt & Haenel 2006, hlm. 22, 28–30 Arndt, Jörg; Haenel, Christoph (2006). Pi Unleashed. Springer-Verlag. ISBN 978-3-540-66572-4. Diakses tanggal 2013-06-05. English translation by Catriona and David Lischka.
- Arndt & Haenel 2006, hlm. 3 Arndt, Jörg; Haenel, Christoph (2006). Pi Unleashed. Springer-Verlag. ISBN 978-3-540-66572-4. Diakses tanggal 2013-06-05. English translation by Catriona and David Lischka.
- Arndt & Haenel 2006, hlm. 240 Arndt, Jörg; Haenel, Christoph (2006). Pi Unleashed. Springer-Verlag. ISBN 978-3-540-66572-4. Diakses tanggal 2013-06-05. English translation by Catriona and David Lischka.
- Arndt & Haenel 2006, hlm. 242 Arndt, Jörg; Haenel, Christoph (2006). Pi Unleashed. Springer-Verlag. ISBN 978-3-540-66572-4. Diakses tanggal 2013-06-05. English translation by Catriona and David Lischka.
- Arndt & Haenel 2006, hlm. 167 Arndt, Jörg; Haenel, Christoph (2006). Pi Unleashed. Springer-Verlag. ISBN 978-3-540-66572-4. Diakses tanggal 2013-06-05. English translation by Catriona and David Lischka.
- Arndt & Haenel 2006, hlm. 168–169 Arndt, Jörg; Haenel, Christoph (2006). Pi Unleashed. Springer-Verlag. ISBN 978-3-540-66572-4. Diakses tanggal 2013-06-05. English translation by Catriona and David Lischka.
- Arndt & Haenel 2006, hlm. 169 Arndt, Jörg; Haenel, Christoph (2006). Pi Unleashed. Springer-Verlag. ISBN 978-3-540-66572-4. Diakses tanggal 2013-06-05. English translation by Catriona and David Lischka.
- Arndt & Haenel 2006, hlm. 169, Schepler 1950, hlm. 165 Arndt, Jörg; Haenel, Christoph (2006). Pi Unleashed. Springer-Verlag. ISBN 978-3-540-66572-4. Diakses tanggal 2013-06-05. English translation by Catriona and David Lischka. Schepler, H. C. (1950). "The Chronology of Pi". Mathematics Magazine. 23 (3). Mathematical Association of America: 165–170 (Jan/Feb), 216–228 (Mar/Apr), and 279–283 (May/Jun). doi:10.2307/3029284. . issue 3 Jan/Feb, issue 4 Mar/Apr, issue 5 May/Jun
- Arndt & Haenel 2006, hlm. 170 Arndt, Jörg; Haenel, Christoph (2006). Pi Unleashed. Springer-Verlag. ISBN 978-3-540-66572-4. Diakses tanggal 2013-06-05. English translation by Catriona and David Lischka.
- Arndt & Haenel 2006, hlm. 175, 205 Arndt, Jörg; Haenel, Christoph (2006). Pi Unleashed. Springer-Verlag. ISBN 978-3-540-66572-4. Diakses tanggal 2013-06-05. English translation by Catriona and David Lischka.
- Arndt & Haenel 2006, hlm. 171 Arndt, Jörg; Haenel, Christoph (2006). Pi Unleashed. Springer-Verlag. ISBN 978-3-540-66572-4. Diakses tanggal 2013-06-05. English translation by Catriona and David Lischka.
- Arndt & Haenel 2006, hlm. 176 Arndt, Jörg; Haenel, Christoph (2006). Pi Unleashed. Springer-Verlag. ISBN 978-3-540-66572-4. Diakses tanggal 2013-06-05. English translation by Catriona and David Lischka.
- Arndt & Haenel 2006, hlm. 15–16, 175, 184–186, 205. Arndt, Jörg; Haenel, Christoph (2006). Pi Unleashed. Springer-Verlag. ISBN 978-3-540-66572-4. Diakses tanggal 2013-06-05. English translation by Catriona and David Lischka.
- Arndt & Haenel 2006, hlm. 176–177 Arndt, Jörg; Haenel, Christoph (2006). Pi Unleashed. Springer-Verlag. ISBN 978-3-540-66572-4. Diakses tanggal 2013-06-05. English translation by Catriona and David Lischka.
- Arndt & Haenel 2006, hlm. 177 Arndt, Jörg; Haenel, Christoph (2006). Pi Unleashed. Springer-Verlag. ISBN 978-3-540-66572-4. Diakses tanggal 2013-06-05. English translation by Catriona and David Lischka.
- Arndt & Haenel 2006, hlm. 178 Arndt, Jörg; Haenel, Christoph (2006). Pi Unleashed. Springer-Verlag. ISBN 978-3-540-66572-4. Diakses tanggal 2013-06-05. English translation by Catriona and David Lischka.
- Arndt & Haenel 2006, hlm. 179 Arndt, Jörg; Haenel, Christoph (2006). Pi Unleashed. Springer-Verlag. ISBN 978-3-540-66572-4. Diakses tanggal 2013-06-05. English translation by Catriona and David Lischka.
- Arndt & Haenel 2006, hlm. 180 Arndt, Jörg; Haenel, Christoph (2006). Pi Unleashed. Springer-Verlag. ISBN 978-3-540-66572-4. Diakses tanggal 2013-06-05. English translation by Catriona and David Lischka.
- Arndt & Haenel 2006, hlm. 182 Arndt, Jörg; Haenel, Christoph (2006). Pi Unleashed. Springer-Verlag. ISBN 978-3-540-66572-4. Diakses tanggal 2013-06-05. English translation by Catriona and David Lischka.
- Arndt & Haenel 2006, hlm. 182–183 Arndt, Jörg; Haenel, Christoph (2006). Pi Unleashed. Springer-Verlag. ISBN 978-3-540-66572-4. Diakses tanggal 2013-06-05. English translation by Catriona and David Lischka.
- Arndt & Haenel 2006, hlm. 183 Arndt, Jörg; Haenel, Christoph (2006). Pi Unleashed. Springer-Verlag. ISBN 978-3-540-66572-4. Diakses tanggal 2013-06-05. English translation by Catriona and David Lischka.
- Arndt & Haenel 2006, hlm. 185–191 Arndt, Jörg; Haenel, Christoph (2006). Pi Unleashed. Springer-Verlag. ISBN 978-3-540-66572-4. Diakses tanggal 2013-06-05. English translation by Catriona and David Lischka.
- Arndt & Haenel 2006, hlm. 185–186 Arndt, Jörg; Haenel, Christoph (2006). Pi Unleashed. Springer-Verlag. ISBN 978-3-540-66572-4. Diakses tanggal 2013-06-05. English translation by Catriona and David Lischka.
- Joseph 1991, hlm. 264 Joseph, George Gheverghese (1991). The Crest of the Peacock: Non-European Roots of Mathematics. Princeton University Press. ISBN 978-0-691-13526-7. Diakses tanggal 2013-06-05.
- Arndt & Haenel 2006, hlm. 188. Newton quoted by Arndt. Arndt, Jörg; Haenel, Christoph (2006). Pi Unleashed. Springer-Verlag. ISBN 978-3-540-66572-4. Diakses tanggal 2013-06-05. English translation by Catriona and David Lischka.
- Arndt & Haenel 2006, hlm. 187 Arndt, Jörg; Haenel, Christoph (2006). Pi Unleashed. Springer-Verlag. ISBN 978-3-540-66572-4. Diakses tanggal 2013-06-05. English translation by Catriona and David Lischka.
- Arndt & Haenel 2006, hlm. 188–189 Arndt, Jörg; Haenel, Christoph (2006). Pi Unleashed. Springer-Verlag. ISBN 978-3-540-66572-4. Diakses tanggal 2013-06-05. English translation by Catriona and David Lischka.
- Arndt & Haenel 2006, hlm. 189 Arndt, Jörg; Haenel, Christoph (2006). Pi Unleashed. Springer-Verlag. ISBN 978-3-540-66572-4. Diakses tanggal 2013-06-05. English translation by Catriona and David Lischka.
- Arndt & Haenel 2006, hlm. 156 Arndt, Jörg; Haenel, Christoph (2006). Pi Unleashed. Springer-Verlag. ISBN 978-3-540-66572-4. Diakses tanggal 2013-06-05. English translation by Catriona and David Lischka.
- Arndt & Haenel 2006, hlm. 192–193 Arndt, Jörg; Haenel, Christoph (2006). Pi Unleashed. Springer-Verlag. ISBN 978-3-540-66572-4. Diakses tanggal 2013-06-05. English translation by Catriona and David Lischka.
- Arndt & Haenel 2006, hlm. 72–74 Arndt, Jörg; Haenel, Christoph (2006). Pi Unleashed. Springer-Verlag. ISBN 978-3-540-66572-4. Diakses tanggal 2013-06-05. English translation by Catriona and David Lischka.
- Arndt & Haenel 2006, hlm. 192–196, 205 Arndt, Jörg; Haenel, Christoph (2006). Pi Unleashed. Springer-Verlag. ISBN 978-3-540-66572-4. Diakses tanggal 2013-06-05. English translation by Catriona and David Lischka.
- Arndt & Haenel 2006, hlm. 194–196 Arndt, Jörg; Haenel, Christoph (2006). Pi Unleashed. Springer-Verlag. ISBN 978-3-540-66572-4. Diakses tanggal 2013-06-05. English translation by Catriona and David Lischka.
- Borwein, J. M.; Borwein, P. B. (1988). "Ramanujan and Pi". Scientific American. 256 (2): 112–117. Bibcode:1988SciAm.258b.112B. doi:10.1038/scientificamerican0288-112.
Arndt & Haenel 2006, hlm. 15–17, 70–72, 104, 156, 192–197, 201–202 Arndt, Jörg; Haenel, Christoph (2006). Pi Unleashed. Springer-Verlag. ISBN 978-3-540-66572-4. Diakses tanggal 2013-06-05. English translation by Catriona and David Lischka. - Arndt & Haenel 2006, hlm. 69–72 Arndt, Jörg; Haenel, Christoph (2006). Pi Unleashed. Springer-Verlag. ISBN 978-3-540-66572-4. Diakses tanggal 2013-06-05. English translation by Catriona and David Lischka.
- Arndt & Haenel 2006, hlm. 223 Arndt, Jörg; Haenel, Christoph (2006). Pi Unleashed. Springer-Verlag. ISBN 978-3-540-66572-4. Diakses tanggal 2013-06-05. English translation by Catriona and David Lischka.
- Arndt & Haenel 2006, hlm. 196 Arndt, Jörg; Haenel, Christoph (2006). Pi Unleashed. Springer-Verlag. ISBN 978-3-540-66572-4. Diakses tanggal 2013-06-05. English translation by Catriona and David Lischka.
- Arndt & Haenel 2006, hlm. 165. Arndt, Jörg; Haenel, Christoph (2006). Pi Unleashed. Springer-Verlag. ISBN 978-3-540-66572-4. Diakses tanggal 2013-06-05. English translation by Catriona and David Lischka.
- Arndt & Haenel 2006, hlm. 166 Arndt, Jörg; Haenel, Christoph (2006). Pi Unleashed. Springer-Verlag. ISBN 978-3-540-66572-4. Diakses tanggal 2013-06-05. English translation by Catriona and David Lischka.
- Arndt & Haenel 2006, hlm. 205 Arndt, Jörg; Haenel, Christoph (2006). Pi Unleashed. Springer-Verlag. ISBN 978-3-540-66572-4. Diakses tanggal 2013-06-05. English translation by Catriona and David Lischka.
- Arndt & Haenel 2006, hlm. 197. See also Reitwiesner 1950. Arndt, Jörg; Haenel, Christoph (2006). Pi Unleashed. Springer-Verlag. ISBN 978-3-540-66572-4. Diakses tanggal 2013-06-05. English translation by Catriona and David Lischka. Reitwiesner, George (1950). "An ENIAC Determination of pi and e to 2000 Decimal Places". Mathematical Tables and Other Aids to Computation. 4 (29): 11–15. doi:10.2307/2002695.
- Arndt & Haenel 2006, hlm. 197 Arndt, Jörg; Haenel, Christoph (2006). Pi Unleashed. Springer-Verlag. ISBN 978-3-540-66572-4. Diakses tanggal 2013-06-05. English translation by Catriona and David Lischka.
- Arndt & Haenel 2006, hlm. 15–17 Arndt, Jörg; Haenel, Christoph (2006). Pi Unleashed. Springer-Verlag. ISBN 978-3-540-66572-4. Diakses tanggal 2013-06-05. English translation by Catriona and David Lischka.
- Arndt & Haenel 2006, hlm. 131 Arndt, Jörg; Haenel, Christoph (2006). Pi Unleashed. Springer-Verlag. ISBN 978-3-540-66572-4. Diakses tanggal 2013-06-05. English translation by Catriona and David Lischka.
- Arndt & Haenel 2006, hlm. 132, 140 Arndt, Jörg; Haenel, Christoph (2006). Pi Unleashed. Springer-Verlag. ISBN 978-3-540-66572-4. Diakses tanggal 2013-06-05. English translation by Catriona and David Lischka.
- Arndt & Haenel 2006, hlm. 87 Arndt, Jörg; Haenel, Christoph (2006). Pi Unleashed. Springer-Verlag. ISBN 978-3-540-66572-4. Diakses tanggal 2013-06-05. English translation by Catriona and David Lischka.
- Arndt & Haenel 2006, hlm. 111 (5 times); pp. 113–114 (4 times). Arndt, Jörg; Haenel, Christoph (2006). Pi Unleashed. Springer-Verlag. ISBN 978-3-540-66572-4. Diakses tanggal 2013-06-05. English translation by Catriona and David Lischka.
- Arndt & Haenel 2006, hlm. 17. "39 digit π cukup untuk menghitung volume alam semesta sampai dengan taraf atom."
Dengan mempertimbangkan digit tambahan yang diperlukan untuk mengkompensasikan pembulatan, Arndt menyimpulkan bahwa beberapa ratus digit sudah mencukupi untuk perhitungan-perhitungan ilmiah apapun. Arndt, Jörg; Haenel, Christoph (2006). Pi Unleashed. Springer-Verlag. ISBN 978-3-540-66572-4. Diakses tanggal 2013-06-05. English translation by Catriona and David Lischka. - Arndt & Haenel 2006, hlm. 17–19 Arndt, Jörg; Haenel, Christoph (2006). Pi Unleashed. Springer-Verlag. ISBN 978-3-540-66572-4. Diakses tanggal 2013-06-05. English translation by Catriona and David Lischka.
- Arndt & Haenel 2006, hlm. 18 Arndt, Jörg; Haenel, Christoph (2006). Pi Unleashed. Springer-Verlag. ISBN 978-3-540-66572-4. Diakses tanggal 2013-06-05. English translation by Catriona and David Lischka.
- Arndt & Haenel 2006, hlm. 103–104 Arndt, Jörg; Haenel, Christoph (2006). Pi Unleashed. Springer-Verlag. ISBN 978-3-540-66572-4. Diakses tanggal 2013-06-05. English translation by Catriona and David Lischka.
- Arndt & Haenel 2006, hlm. 104 Arndt, Jörg; Haenel, Christoph (2006). Pi Unleashed. Springer-Verlag. ISBN 978-3-540-66572-4. Diakses tanggal 2013-06-05. English translation by Catriona and David Lischka.
- Arndt & Haenel 2006, hlm. 104, 206 Arndt, Jörg; Haenel, Christoph (2006). Pi Unleashed. Springer-Verlag. ISBN 978-3-540-66572-4. Diakses tanggal 2013-06-05. English translation by Catriona and David Lischka.
- Arndt & Haenel 2006, hlm. 110–111 Arndt, Jörg; Haenel, Christoph (2006). Pi Unleashed. Springer-Verlag. ISBN 978-3-540-66572-4. Diakses tanggal 2013-06-05. English translation by Catriona and David Lischka.
- Arndt & Haenel 2006, hlm. 110–111, 206 Arndt, Jörg; Haenel, Christoph (2006). Pi Unleashed. Springer-Verlag. ISBN 978-3-540-66572-4. Diakses tanggal 2013-06-05. English translation by Catriona and David Lischka.
- Arndt & Haenel 2006, hlm. 39 Arndt, Jörg; Haenel, Christoph (2006). Pi Unleashed. Springer-Verlag. ISBN 978-3-540-66572-4. Diakses tanggal 2013-06-05. English translation by Catriona and David Lischka.
- Arndt & Haenel 2006, hlm. 39–40 Arndt, Jörg; Haenel, Christoph (2006). Pi Unleashed. Springer-Verlag. ISBN 978-3-540-66572-4. Diakses tanggal 2013-06-05. English translation by Catriona and David Lischka.
- Arndt & Haenel 2006, hlm. 43 Arndt, Jörg; Haenel, Christoph (2006). Pi Unleashed. Springer-Verlag. ISBN 978-3-540-66572-4. Diakses tanggal 2013-06-05. English translation by Catriona and David Lischka.
- Arndt & Haenel 2006, hlm. 77–84 Arndt, Jörg; Haenel, Christoph (2006). Pi Unleashed. Springer-Verlag. ISBN 978-3-540-66572-4. Diakses tanggal 2013-06-05. English translation by Catriona and David Lischka.
- Arndt & Haenel 2006, hlm. 77 Arndt, Jörg; Haenel, Christoph (2006). Pi Unleashed. Springer-Verlag. ISBN 978-3-540-66572-4. Diakses tanggal 2013-06-05. English translation by Catriona and David Lischka.
- Arndt & Haenel 2006, hlm. 117, 126–128 Arndt, Jörg; Haenel, Christoph (2006). Pi Unleashed. Springer-Verlag. ISBN 978-3-540-66572-4. Diakses tanggal 2013-06-05. English translation by Catriona and David Lischka.
- Arndt & Haenel 2006, hlm. 128. Arndt, Jörg; Haenel, Christoph (2006). Pi Unleashed. Springer-Verlag. ISBN 978-3-540-66572-4. Diakses tanggal 2013-06-05. English translation by Catriona and David Lischka.
- Arndt & Haenel 2006, hlm. 20 Arndt, Jörg; Haenel, Christoph (2006). Pi Unleashed. Springer-Verlag. ISBN 978-3-540-66572-4. Diakses tanggal 2013-06-05. English translation by Catriona and David Lischka.
- Arndt & Haenel 2006, hlm. 41–43 Arndt, Jörg; Haenel, Christoph (2006). Pi Unleashed. Springer-Verlag. ISBN 978-3-540-66572-4. Diakses tanggal 2013-06-05. English translation by Catriona and David Lischka.
- Arndt & Haenel 2006, hlm. 43 Arndt, Jörg; Haenel, Christoph (2006). Pi Unleashed. Springer-Verlag. ISBN 978-3-540-66572-4. Diakses tanggal 2013-06-05. English translation by Catriona and David Lischka.
- Arndt & Haenel 2006, hlm. 44–45 Arndt, Jörg; Haenel, Christoph (2006). Pi Unleashed. Springer-Verlag. ISBN 978-3-540-66572-4. Diakses tanggal 2013-06-05. English translation by Catriona and David Lischka.
- Ptolemaeus menggunakan pendekatan tiga-digit-seksagesimal, dan Jamshīd al-Kāshī mengembangkan pendekatan ini hingga sembilan digit; lihat Aaboe, Asger (1964), Episodes from the Early History of Mathematics, New Mathematical Library, vol. 13, New York: Random House, hlm. 125.
cadaeic.net
- Keith, Mike. "Cadaeic Cadenza Notes & Commentary". Diakses tanggal 29 July 2009.
cloud.google.com
- Haruka Iwao, Emma (14 March 2019). "Pi in the sky: Calculating a record-breaking 31.4 trillion digits of Archimedes' constant on Google Cloud". Google Cloud Platform. Diarsipkan dari versi aslinya tanggal 19 October 2019. Diakses tanggal 12 April 2019.
comcast.net
home.comcast.net
- Klebanoff, Aaron (2001). "Pi in the Mandelbrot set" (PDF). Fractals. 9 (4): 393–402. doi:10.1142/S0218348X01000828. Diarsipkan dari asli (PDF) tanggal 2012-04-06. Diakses tanggal 14 April 2012. ;
comune.palermo.it
librarsi.comune.palermo.it
- Grienberger, Christoph (1960), Elementa Trigonometrica (PDF) (dalam bahasa Latin) Diarsipkan dari aslinya (PDF) pada tanggal 1 Februari 2014. Pendekatannya adalah 3,14159 26535 89793 23846 26433 83279 50288 4196 < π < 3,14159 26535 89793 23846 26433 83279 50288 4199.
demon.co.uk
legon.demon.co.uk
- Legon, J. A. R. (1991). "On Pyramid Dimensions and Proportions". Discussions in Egyptology. 20: 25–34. Diarsipkan dari asli tanggal 2011-07-18. Diakses tanggal 2013-08-06. ; .
doi.org
- Bailey, David H.; Plouffe, Simon M.; Borwein, Peter B.; Borwein, Jonathan M. (1997). "The quest for PI". The Mathematical Intelligencer. 19 (1): 50–56. CiteSeerX 10.1.1.138.7085. doi:10.1007/BF03024340. ISSN 0343-6993. S2CID 14318695.
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