Wee Sue Yin, 17, has just been recognised as Singapore’s fastest in mental multiplication. On 2 April 2022, the calculating prodigy broke all 3 multiplication records in the Singapore Book of Records, in her college, Hwa Chong Institution:
- Fastest 2×1-Digit Multiplication In 5 Minutes (256 correct answers)
- Fastest Calculation Of Squares In 5 Minutes (74 correct answers)
- Fastest Time To Solve 100 Multiplication Problems On Sporcle (4 min 3 sec)
She was trained in abacus and mental arithmetic since she was 4. (See link)
