The Nature of Mathematics, 12th Edition
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Chapter1
Chapter 2
Chapter 3
Chapter 4
Chapter 5
Chapter 6
Chapter 7
Chapter 8
Chapter 9
Chapter 10
Chapter 11
Chapter 12
Chapter 13
Chapter 14
Chapter 15
Chapter 16
Chapter 17
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Chapter 4 Projects

Individual Research Project 4.7

Build a working model of Napier's rods.

Individual Research Project 4.8

Write a paper and prepare a classroom demonstration on the use of an abacus.
Build your own device as a project.

Individual Research Project 4.9

Write a paper regarding the invention of the first electronic computer.

Individual Research Project 4.10

In Chapter 1, we introduced Pascal's triangle. The reproduction here is from a 14th century Chinese manuscript, and in this form is sometimes called Yang Hui's triangle.
 

Even though we have not discussed these ancient Chinese numerals, see if you can reconstruct the basics of their numeration system.  (Use your imagination.)