Latest Numerical approximations of π Stories

2011-10-13 10:13:48

In his 1989 book "The Emperor's New Mind", Roger Penrose commented on the limitations on human knowledge with a striking example: He conjectured that we would most likely never know whether a string of 10 consecutive 7s appears in the digital expansion of the number pi.

2010-09-17 06:10:00

A researcher working for technology firm Yahoo has calculated the 2,000,000,000,000,000th digit of pi, more than doubling the previous record.

2010-08-05 11:56:37

Japanese and US computer whizzes say they have calculated pi to five trillion decimal places, which is a number that could beat a previous record set by a French software engineer if verified.

2010-01-06 13:20:00

Computer scientist Fabrice Bellard said he has computed the mathematical constant pi to nearly 2.7 trillion digits, some 123 billion more than the previous record.

2009-03-03 12:07:06

On Tuesday, math lovers across the country are celebrating national Square Root Day, a holiday that comes around only when the day and the month are both the square root of the last two digits of the current year.

2006-03-16 06:40:16

A high school student Tuesday recited 8,784 digits of Pi - the non-repeating and non-terminating decimal - likely placing him among the top Pi-reciters in the world.

2005-04-27 07:16:15

If you wanted a random number, historically you could do worse than to pick a sequence from the string of digits in pi. But Purdue University scientists now say other sources might be better.

Word of the Day
  • The word or words serving to define another word or expression, as in a dictionary entry.
The word 'definiens' comes from the Latin word 'definire', 'to define'.