| IntroductionThis book is designed for you. Its main purpose is to get to-gether in one place a wide variety of useful and interestinginformation involving calculators, the world around you, andmathematics. It s designed to be a working tool that, whenused with your calculator, becomes a system for problem solv-ing as well as a key to discovery. We hope you ll have funreading and exploring with it. The Story of Mathematics It is said that mathematics began long ago in Early Egypt. TheNile River would flood on occasion and wash away all landmarks and monuments. People needed a way to know where their landwas after these floods, so methods of earth measurement (laterto be called Geometry) were invented. The Greeks, alwaysthinking, picked up those techniques, developed them further,and added new ideas such as Algebra and Trigonometry. Math wasoff and running. It was used in oceanic exploration. It was |
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