# Mathematical Digest

### Short Summaries of Articles about Mathematics

in the Popular Press

"Pi by the billions," by Ivars Peterson. *Science News,* 16October 1999, page 255.

A group lead by Yasumasa Kanada at the University of Tokyo InformationTechnology Center has found more digits of the number pi than ever before. The206,158,430,000th decimal digit of pi (not counting the initial digit 3) is 4.Kanada is now checking the results to identify any interesting patterns amongthe newly-discovered digits.

*--- Benjamin Stein*