You've proven you can do the work; now show that you can do the math. Lack of skills in fundamental math and basic applications has hindered many careers in the electrical industry. Too often electricians and inspectors are expected to acquire the information they need on their own while working the job. Understandably, this often leaves some behind, especially when they do not have a text to direct their focus.Ferm's Formulas, Charts, & Information direct one's focus to the most commonly used formulas in his field. These formulas are carefully explained and demonstrated throughout the book. Additionally, detailed charts and explanations that are sharply focused on the needs of the electrician and inspector make up the balance of the text. If one becomes proficient with the materials in this book, he can ace the demands placed on a professional electrician or electrical inspector.Your future is in your hands. Position yourself for many promotions.