ZDrill - Demo , p26
ZDrill is a program that tests the users ability to calculate the result of simple operations on complex numbers. The program emphasizes the vectorial view of a complex number. The following six operations are supported:
  • Add
  • Subtract
  • Multiply
  • Divide
  • Inverse
  • Conjugate

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McClellan, Schafer, and Yoder, Signal Processing First, ISBN 0-13-065562-7.
Prentice Hall, Upper Saddle River, NJ 07458. © 2012 Pearson Education, Inc.