> It unifies algebra, trigonometry, complex numbers, and calculus. I vividly remember my maths teacher impressing us upon what you stated above. By far the bes

> It unifies algebra, trigonometry, complex numbers, and calculus. I vividly remember my maths teacher impressing us upon what you stated above. By far the best math teacher I had. He didn't work out the proof on the board but made us work it out, took us on a journey, him as a guide, so to speak.