Your editorial "Happy Pi Day" credits Isaac Newton with having calculated 15 digits of pi. Although this is correct, calculating digits of pi was not the sole or primary objective of Newton's ...

Newton method, invented by physicist Isaac Newton about 300 years ago, is an algorithm that still plays an important role in a wide range of fields, including logistics, financial engineering ...

Newton's method with the initial guess x1 = π 2 x 1 = π 2 gives x3 ≈1.900995594. x 3 ≈ 1.900995594.) (a) From f′(x)=3(x2 −1) f ′ (x) = 3 (x 2 − 1) it follows that the critical numbers are x= ±1. x = ± ...