Thomas Fuller; African slave and mathematician 1710-1790. | In most discussions of people with extraordinary powers of mental calculation, there is some mention of Thomas Fuller, an African, shipped to America in 1724 as a slave at the age of 14. He was born in 1710 Africa somewhere between present day Liberia and Benin. Late in his life his remarkable powers of calculation made him a tool of abolitionists due demonstrate blacks are not mentally inferior to whites. [Read more...]
Priyanshi Somani is a mental calculator from India. She started mental calculation at the age of six. At the age of 11, she was the youngest participant of the Mental Calculation World Cup 2010 and won the overall title. She is the only participant who has done 100% accuracy in Addition, Multiplication, Square Root till date in all five Mental Calculation World Cups.
Math PlusMinus Game . Math PlusMinus Game is an android game application. Plus or minus? is an original educational math game that will improve your Math skills in an entertaining way! You can practice mental calculation with this application. Use ”+” or ”-” arithmetic to improve your mental capacity and dexterity.