In this math tutorial, I will show you how to add and subtract complex numbers. You will learn the steps in adding rational ...

In this video series, I will show you how to divide complex numbers. We do this by eliminating the imaginary number in the ...

Have you ever sat in a math classroom and wondered, “When will I ever use this?” You might have asked yourself this question when you first encountered “imaginary” numbers, and with good reason: What ...

Figure 4. A snapshot, in time, of two complex numbers whose exponents, and thus their phase angles, change with time. The notion of negative frequency is often troubling to engineers who've spent so ...