Yusnier Viera
Encyclopedia
Yusnier Viera is a Cuban
Cubans
Cubans or Cuban people are the inhabitants or citizens of Cuba. Cuba is a multi-ethnic nation, home to people of different ethnic and national backgrounds...

 mental calculator
Mental calculator
Mental calculators are people with a prodigious ability in some area of mental calculation, such as multiplying large numbers or factoring large numbers...

. At the Mental Calculation World Cup
Mental Calculation World Cup
-Mental Calculation World Cup 2004:The first Mental Calculation World Cup was held in Annaberg-Buchholz, Germany on 30 October 2004. There were 17 participants from 10 countries.The World Cup involved the following contests :...

 in 2006 he finished fourth place and sixth place in 2010, winning the calendar category in 2010. He currently has the World Record
World record
A world record is usually the best global performance ever recorded and verified in a specific skill or sport. The book Guinness World Records collates and publishes notable records of all types, from first and best to worst human achievements, to extremes in the natural world and beyond...

for calendar calculations.
The source of this article is wikipedia, the free encyclopedia.  The text of this article is licensed under the GFDL.
 
x
OK