Roy Ø.

Interested in mathematics, a retired match teacher on lower secondary school. Master in Statistics.


884,531 students helped

Level 8 in Algebra Level 4 in Geometry Level 4 in Precalculus Level 4 in Calculus Level 3 in Prealgebra Level 3 in Chemistry Level 3 in Physics Level 2 in Trigonometry Level 2 in Socratic Meta Level 2 in Environmental Science Level 2 in Biology Level 1 in Anatomy & Physiology Level 1 in Astronomy Level 1 in Statistics
190 Answers 124 Edits