Roella W.

A very long time ago I did a degree in Physics and Maths in South Africa. More recently (in this century!) I did an MBA online with the University of Liverpool. I have had stints in teaching, computer programming, and management and I recently retired from the NHS.


798,543 students helped

Level 15 in Algebra Level 11 in Geometry Level 10 in Precalculus Level 9 in Trigonometry Level 9 in Physics Level 7 in English Grammar Level 7 in Calculus