Yiu A.

Yiu A. joined Socratic 6.961643835616439 years ago. Yiu A. hasn't written a biography yet.

147,926 students helped

Level 6 in Algebra Level 6 in Calculus Level 3 in Precalculus Level 2 in Trigonometry Level 2 in Statistics
60 Answers 11 Edits 33 Asked