Subscribe | UPI Odd Newsletter Subscribe CHIBA, Japan, July 3 (UPI) -- A Japanese man has recited recited pi, or the ratio of the circumference of a circle to its diameter, from memory to 83,431 decimal places. Akira Haraguchi, a retired corporate employee now serving as a volunteer, said he could have recited more but he was forced to stop because of a time constraint in the facility where the recitation took place, but he hopes it's enough for a world record, reported the Kyodo new agency Sunday. Advertisement The Guinness world record for reciting pi from memory is held by another Japanese man who recited it to 42,195 decimal places. Haraguchi said he hopes his effort makes it into the next edition of the Guinness Book of World Records.