Practical problems in mathematics for electricians

This new edition prepares students for success in the electronics field, beginning with basic arithmetic and progressing through algebra and trigonometry. Through logical deductive thinking, students arrive at answers to multi-step problems related to the electronics field.

Author Notes

Stephen L. Herman has been both a teacher for industrial electricity and an industrial electrician for many years. He has worked as a maintenance electrician and as a class "A" electrician. Presently he is an instructor of industrial electricity at Lee College in Baytown, Texas

Preface	p. vii
To the Student	p. ix
Section 1 Whole Numbers	p. 1
Unit 1 Addition of Whole Numbers	p. 1
Unit 2 Subtraction of Whole Numbers	p. 5
Unit 3 Multiplication of Whole Numbers	p. 10
Unit 4 Division of Whole Numbers	p. 14
Unit 5 Combined Operations with Whole Numbers	p. 18
Section 2 Common Fractions	p. 22
Unit 6 Addition of Common Fractions	p. 22
Unit 7 Subtraction of Common Fractions	p. 28
Unit 8 Multiplication of Common Fractions	p. 32
Unit 9 Division of Common Fractions	p. 36
Unit 10 Combined Operations with Common Fractions	p. 39
Section 3 Decimal Fractions	p. 42
Unit 11 Addition of Decimal Fractions	p. 42
Unit 12 Subtraction of Decimal Fractions	p. 46
Unit 13 Multiplication of Decimal Fractions	p. 49
Unit 14 Division of Decimal Fractions	p. 52
Unit 15 Decimal and Common Fraction Equivalents	p. 55
Unit 16 Combined Operations with Decimal Fractions	p. 59
Section 4 Percents, Averages, and Estimates	p. 62
Unit 17 Percent and Percentage	p. 62
Unit 18 Interest	p. 66
Unit 19 Discount	p. 69
Unit 20 Averages and Estimates	p. 72
Unit 21 Combined Problems on Percents, Averages, and Estimates	p. 75
Section 5 Powers and Roots	p. 77
Unit 22 Powers	p. 77
Unit 23 Roots	p. 80
Unit 24 Combined Operations with Powers and Roots	p. 85
Unit 25 Metric Measure and Scientific Notation	p. 87
Section 6 Measure	p. 92
Unit 26 Length Measure	p. 92
Unit 27 Area Measure	p. 97
Unit 28 Volume and Mass Measure	p. 103
Unit 29 Energy and Temperature Measure	p. 108
Unit 30 Combined Problems on Measure	p. 111
Section 7 Ratio and Proportion	p. 113
Unit 31 Ratio	p. 113
Unit 32 Proportion	p. 115
Unit 33 Combined Operations with Ratio and Proportion	p. 118
Section 8 Formulas	p. 120
Unit 34 Representation in Formulas	p. 120
Unit 35 Rearrangement in Formulas	p. 124
Unit 36 General Simple Formulas	p. 127
Unit 37 Ohm's Law Formulas	p. 137
Unit 38 Power Formulas	p. 143
Unit 39 Combined Problems on Formulas	p. 146
Section 9 Trigonometry	p. 149
Unit 40 Right Triangles	p. 149
Unit 41 Trigonometric Functions	p. 153
Unit 42 Plane Vectors	p. 161
Unit 43 Rotating Vectors	p. 168
Unit 44 Combined Problems in Trigonometry	p. 172
Appendix	p. 175
Glossary	p. 183
Answers to Odd-Numbered Problems	p. 186

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Author Notes

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