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INDEX Paragraph Page Addition 4a 2 Exercises 4d 3 Fractions 10a 20 Polynomials 22a 37 Positive and negative numbers 15 29 Air navigation system of measuring directions 38b 63 Exercises 40a, 40b 66 Air speed: Definition 44b(1) 66 Meter, calibration graph 34a 54 Vector 44a 71 Algebra 20-27 35 Addition of polynomials 22a 37 Division of polynomials 23b 38 Evaluation of algebraic expressions 24a 39 Exercises 22b,22c,23c,23d,24b,25d,25e,26d,27 37,38,39, 40,41,42, 46,47 Multiplication of polynomials 23a 38 Subtraction of polynomials 22a 37 Symbols 21a 35 Word problems 26a 44 Angle 38b 63 Construction of 38e 64 Of elevation and depression 38f 65 Angular measurement 38a 62 Exercises 38d,40 64,66 Table 38a 62 Axes and points 33a 53 Calibrated air speed 34 54 Centigrade scale 25e(4) 42 Common denominator 10c 20 Conversion factors App. 80 Course 39 65 Decimal fractions 8a 14 Decimal point 4a,6b,7f 2,6,11 Dividend 7a,7f 9,11 Division 7a 9 Exercises 17d 30 Fractions 12a 23 Long Division 7c 9 Polynomials 23b 38 Short division 7b 9 Divisor 7a 9 Drift 39c 65 Drift angle 39c,39e,45a(2)(f) 65,66,73 83