Yiu A.

Yiu A. joined Socratic 2 years ago. Yiu A. hasn't written a biography yet.

21,732 students helped
Teaching the World! Champion! Collaborator! Trophy Case! Bold Learner! On Fire! Friendly Face!
Level 6 in Calculus Level 6 in Algebra Level 3 in Precalculus Level 2 in Trigonometry Level 2 in Statistics