[leed25d]

> How and when did you realise this power that comes with learning mathematics?

I had an amazing first semester Calculus teacher when I was a freshman in college. The scales fell from my eyes and I eventually switched my major from Chemistry to Mathematics.

[newsoul]

Which book was used in the course?

[leed25d]

D.B. Thomas for Calculus and Analytic Geometry

Later on, Tom Apostol for Real Analysis