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This is a solved-problems Outline of mathematical calculations for electricity and electronics technicians. All major types of problems are included. This edition will continue to follow the course trends as covered in the leading textbooks such as "Singer and Forster", and "Zbar". A new chapter on network theorems will introduce theorems of Thevenin, Norton, and Millman. Additions to other chapters will include impedance matching (AC and DC); superposition theorem and voltage dividers; and, voltampere reactive power (VAR power). The use of electronic calculators will be included. A mix of SI and customary units will occur throughout.