Colm O'Regan: I'm stumped by the maths in the movies

"Greek symbols mean it’s tricky, someone is obsessed, they think of something and run to an obscure book and open it to the page, a hot woman is the only one who “gets them”, the jocks are stupid."

Hidden Figures: the best blackboard, says Colm O'Regan

What do you remember from school? And why? There are the effects of glaciation on a V-shaped valley. 

Those 3D diagrams where you get to play the role of a glacier. The power!