Adrian D.

Have had to retire due to health issues. Want to help users of the site while also remembering what I learnt in my Maths BSc. and MSc. as it's all a bit rusty.

561,003 students helped

Level 12 in Algebra Level 5 in Trigonometry Level 5 in Calculus Level 4 in Statistics Level 4 in Precalculus Level 1 in Socratic Meta