Complex analysis

  • Arrow Arithmetic 1
    problem

    Arrow Arithmetic 1

    Age
    14 to 16
    Challenge level
    1 out of 3
    The first part of an investigation into how to represent numbers using geometric transformations that ultimately leads us to discover numbers not on the number line.
  • Impedance can be complex!
    problem

    Impedance Can Be Complex!

    Age
    16 to 18
    Challenge level
    3 out of 3
    Put your complex numbers and calculus to the test with this impedance calculation.