Recent content by flamrim

  1. F

    Weakness in mental arithmetic = weakness in math?

    I'm a big fan of the Trachtenberg system
  2. F

    Looking for a math book as a gift for my math teacher

    https://www.amazon.com/dp/1593271948/?tag=pfamazon01-20
  3. F

    I underestimated the difficulty of Widder's Advanced Calculus

    I somehow managed to get Bs in two calculus courses and was pretty confident that in a pinch I was capable of doing work involving lagrange multipliers, Green's theorem, convergences of improper integrals, and such. My textbook was multivariable calculus by Larson and Edwards which I was sold...