Eric Sandin

I'm a 22 year old boy who studies math at Barcelona University and loves playing guitar and drums.


166,278 students helped
Teaching the World! Champion! Collaborator! Trophy Case! Bold Learner! On Fire! Friendly Face!
Level 11 in Algebra Level 7 in Calculus Level 1 in Trigonometry Level 1 in Socratic Meta Level 1 in Precalculus