EZ Trigonometry

by Douglas Downing
published by Barron's educational series

The fourth edition of the book will be out soon.
(Previous editions were published under the title Trigonometry the Easy Way)
Table of trigonometric functions
Table of distances along great circle course between cities
Excel spreadsheet for chapter 9, Waves, exercises 22 to 27
Excel spreadsheet for chapter 14, Spherical Trigonometry, exercise 31
Excel spreadsheet for chapter 14, Spherical Trigonometry, exercise 33

Java programs

You can view the results of these programs even if you don't know about computer programming. The Java source code is also given. For more information about Java programming, see the book Java Programming the Easy Way.