viii Contents
Website Chapters
(Go to: http://www.booksite.elsevier.com/newnes/bird)
Preface
iv
36 Number sequences
1
36.1 Simple sequences
1
36.2 The n’th term of a series
1
36.3 Arithmetic progressions
2
36.4 Geometric progressions
5
37 Binary, octal and hexadecimal
9
37.1 Introduction
9
37.2 Binary numbers
9
37.3 Octal numbers
12
37.4 Hexadecimal numbers
15
38 Inequalities
19
38.1 Introduction to inequalities
19
38.2 Simple inequalities
19
38.3 Inequalities involving a modulus
20
38.4 Inequalities involving quotients
21
38.5 Inequalities involving square functions
22
38.6 Quadratic inequalities
23
39 Graphs with logarithmic scales
25
39.1 Logarithmic scales and logarithmic
graph paper
25
39.2 Graphs of the form y = ax n
25
39.3 Graphs of the form y = ab x
28
39.4 Graphs of the form y = ae kx
29
Revision Test 15
32
Answers to practice exercises
33