Euclid's masterpiece textbook, "The Elements," was written twenty-three hundred years ago. It is primarily about geometry and contains dozens of figures. Five of these are constructed using a line that "is cut in extreme and mean ratio." Today this is called the golden ratio and is often referred to by the symbol .
Many myths have grown up around this ratio. This book was written to learn about them. They arise from the pyramids, the Pythagorean Brotherhood, the platonic solids, the Fibonacci numbers, sea shells, and others. There is a common thread among these myths. is an irrational...
Euclid's masterpiece textbook, "The Elements," was written twenty-three hundred years ago. It is primarily about geometry and contains dozens of fi...
The material in this book prepares the reader for calculus. All the topics of precalculus are covered. A good way to learn math is to study the computer programs that do the math in this book. The reader will learn how to write these programs using Excel with VBA, which is readily available in the Microsoft Office program.
The exponential, logarithmic, and trigonometric functions are defined. Because they are not algebraic, electronic calculators compute them using approximation methods. The reader is introduced to the use of Taylor series to compute them.
One discussion in...
The material in this book prepares the reader for calculus. All the topics of precalculus are covered. A good way to learn math is to study the com...
