Very simple, add up the real parts (without i) and add up the imaginary parts (with i):
Many operations are the same as operations with two-dimensional vectors. And use definition i 2 = -1 to simplify complex expressions. We hope that working with the complex number is quite easy because you can work with imaginary unit i as a variable.
Complex numbers in the angle notation or phasor ( polar coordinates r, θ) may you write as rLθ where r is magnitude/amplitude/radius, and θ is the angle (phase) in degrees, for example, 5L65 which is the same as 5*cis(65°).Įxample of multiplication of two imaginary numbers in the angle/polar/phasor notation: 10L45 * 3L90.įor use in education (for example, calculations of alternating currents at high school), you need a quick and precise complex number calculator.
