Akira Haraguchi (原口證) (born 1946) is a Japanese mental health counsellor best known for memorizing and reciting digits of Pi. He set the current world record (100,000 digits) on October 3, 2006, and the previous world record (83,431) from July 1, 2005 to July 2, 2005. The event was filmed in a public hall in Kisarazu, east of Tokyo, where he had five-minute breaks every two hours to eat rice balls to keep up his energy levels. 1946 (MCMXLVI) was a common year starting on Tuesday. ... A mental health professional is a person who offers services for the purpose of improving an individuals mental health and/or researches in the field of mental health. ... In mathematics and computer science, a numerical digit is a symbol, e. ... When a circles diameter is 1, its circumference is Ï€. The mathematical constant Ï€ is an irrational real number, approximately equal to 3. ... One hundred thousand (100000) is the natural number following 99999 and preceding 100001. ... October 3 is the 276th day of the year (277th in leap years) in the Gregorian Calendar. ... 2006 (MMVI) is a common year starting on Sunday of the Gregorian calendar. ... July 1 is the 182nd day of the year (183rd in leap years) in the Gregorian Calendar, with 183 days remaining. ... 2005 (MMV) was a common year starting on Saturday of the Gregorian calendar. ... July 2 is the 183rd day of the year (184th in leap years) in the Gregorian Calendar, with 182 days remaining. ... 2005 (MMV) was a common year starting on Saturday of the Gregorian calendar. ... Tokyo , literally Eastern capital)   is the seat of the Japanese government and the Imperial Palace, the home of the Japanese Imperial Family, and the de facto[1] capital of Japan. ... Onigiri Onigiri (お握り) also known as Omusubi (おむすび) is a Japanese (short grain) rice ball snack most commonly formed into triangle or oval shapes and wrapped in seaweed (nori). ...

Despite Haraguchi's efforts, Guinness World Records have not recorded either of the events and accredit the record to 42,195 decimal places by Hiroyuki Goto in 1995. Ben Bradshaw moments before breaking the worlds fastest Straitjacket escape title in 50. ... Hiroyuki Goto of Tokyo, Japan, born 2 August 1973, recited pi from memory to 42,195 decimal places at NHK Broadcasting Centre, Tokyo on 18 February 1995. ...

External links

• BBC News, Asia-Pacific
• Pi World ranking list
• Memory world records