APPENDIX A
Math Formulas Used in AV Installations
How long has it been since you solved a word problem or used a mathematical formula? Many Certified Technology Specialist – Installation (CTS-1) exam candidates have not done math in a formal setting in years. You may be familiar with the skills and tools in this appendix, but then again, you may need a refresher.
Using the Proper Order of Operations
Most audiovisual (AV) mathematical formulas use only the four common operators: add, subtract, multiply, and divide. However, some formulas require a solid foundation in the order of operations. The order of operations helps you correctly solve formulas by prioritizing which part of the formula to solve first. It is a way to rank the order in which ...
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