This unique compendium gives a complete, concise and rigorous treatment of virtually all the essential topics typically included in most textbooks for undergraduate students majoring in electrical and computer engineering. These topics include basic circuit elements, fundamental circuit laws, theorems and efficient analysis techniques to solve a large class of linear circuits energized by a wide scope of electrical sources.The distinctive solution techniques are: (1) analyzing electric networks using basic algebraic graph theory; (2) applying state-variable method to transient RLC circuits; and (3) applying Fourier transform to circuits energized by arbitrary sources. The concise problem sets are highly relevant to the key concepts discussed pedagogically.