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Introduction
Part 1: History of Wasan
Chapter 1. Early Edo Period
Column Influences from Chinese Mathematics
Column Chinese Remainder Theorem
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Congruence Notation and Remainder Theorem
Chapter 2. Seki Takakazu
Column Pi (Ratio of the Circumference of a Circle to Its Diameter)
-
Why does π/4=tan
-1
1=4tan
-1
(1/5)-tan
-1
(1/239) hold true?
Chapter 3. Master Institution - Wasan as a Hobby
Column Sangaku (Mathematical Tablet)
Chapter 4. Wasan as a Practical Science
Column Pythagorean Theorem
Column Survey Methods
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Survey Instruments and Companion Set
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Heron's Formula
Chapter 5. Introduction of Western Mathematics
Column Trigonometric Tables
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Lengths of Chords for Sum and Remainder of Angles
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Logarithm Table
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Transcendental Equation
Chapter 6. Epilogue: End of Wasan
List of Columns
Part 2: Wasan Collection of the National Diet Library
Wasan Materials Housed in Japan
Wasan Materials Housed by the National Diet Library
Wasan Library
1. Jinkoki
2. Seki Takakazu & the Seki School
3. Development of Wasan
4. Wasan related to Practical Science and Surveying
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Paper Mechanisms
5. Introducing Overseas Knowledge
Chronological Table
References
Links
Title List
About This Site
Site Map
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Introduction
Part 1 History of Wasan
Part 2 Wasan Collection of the National Diet Library
Chronological Table
References
Links
Title List
About This Site
Site Map
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