Math
Technology in Mathematics Education
Spring 2005, Volume 5, Issue 3
Recipes for Pi
I am ashamed to tell you to how many figures I carried
these calculations, having no other business at the time.

Isaac Newton
This particular formula is due to Machin and was employed by him to compute 100 digits of p in 1706
Simon Plouffe (1995)
BBP formula
___________________________________________________________________________________________
Editor: Scott S Albert
Meditating Mathematicians
M2
Critical Thinking in Mathematics Education
Gregory
Abraham Sharpe (1717)
Euler
Sondow (1997)