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While I agree with Gunnar that it is important to know the fundamentals, try solving a three loop circuit with reactive components using Cramer's rule (there is no calculator allowed for the PE exam that will do simultaneous equations with complex numbers). Just work through this problem...

I passed the Oct '06 exam (depth - Power) and used the casio fx115ms. The ability to handle complex numbers and solve simultaneous equations can be a real time saver. The test is not only about what you know, it's also about how quickly you can solve 80 problems. I didn't try to take my...