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What's in Convergence? - Contents of Volume 15 - 2018

Editor:  Janet Beery

Associate Editors: Amy Ackerberg-Hastings, Janet Barnett, Maureen Carroll, Lawrence D'Antonio, Victor Katz, Michael Molinsky, Elyn Rykken, Randy Schwartz, Amy Shell-Gellasch, Jody Sorensen, Gary Stoudt, Erik R. Tou

Founding Editors: Victor Katz, Frank Swetz

Articles

The Mathematical Cultures of Medieval Europe, by Victor J. Katz

Cultural influences on the mathematics of Islamic, Jewish, and Catholic scholars


Recreational Problems in Medieval Mathematics, by Victor J. Katz

Two problems that endured across time, space, and culture


Historical Reflections on Teaching Trigonometry, by David M. Bressoud

The functional approach of circle trigonometry is the historical approach!


Crossword Puzzle: Mathematical Potpourri, by Sid Kolpas and Stu Ockman

Our second puzzle from a mathematics professor and a NY Times crossword puzzle constructor!


Descriptions of the Integer Number Line in United States School Mathematics in the 19th Century, by Nicole M. Wessman-Enzinger

Gradual development of the now ubiquitous number line traced through textbooks of the time


Russian Multiplication, Microprocessors, and Leibniz, by Sid Kolpas

A traditional method of multiplication via binary arithmetic finds a modern use.


A Writing Intensive General Education History of Mathematics Course, by Amy Shell-Gellasch

... for students who think they aren't good at or don't like mathematics!


More Classroom Activities Based on Ancient Indian Rope Geometry, by Cynthia J. Huffman and Scott V. Thuong

Activities, applets, and information to help students explore the geometry of altar construction in ancient India


HOM SIGMAA 2018 Student Paper Contest Winners

Read the winning entry, "Race to Refraction: The Repeated Discovery of Snell's Law," along with the two runners-up.


Divisibility Tests: A History and User's Guide, by Eric L. McDowell

Discoveries, rediscoveries, and generalizations of these tests to pique students' interest


Elementary Soroban Arithmetic Techniques in Edo Period Japan, by Rosalie Joan Hosking, Tsukane Ogawa, and Mitsuo Morimoto

Learn to solve problems from the Taisei Sankei (c. 1700) on the Japanese abacus.


The Root of the Matter: Approximating Roots with the Greeks, by Matthew Haines and Jody Sorensen

The ancient method of Theon's Ladder has both geometric and matrix interpretations.


Cuisenaire Art: Modeling Figurate Number Sequences and Gnomonic Structures in a History of Mathematics Classroom, by Günhan Caglayan

Students construct Cuisenaire rod models per instructions from Theon and Nicomachus.


Mathematical Treasure: Japanese Mathematics in the Edo Period, by Frank J. Swetz

Twelve distinct works illustrate the range of mathematics produced in Japan from 1603 to 1867.


Mathematical Treasure: Billingsley's Sources for the First English Euclid's Elements, by Frank J. Swetz (posted 08/12/18)

Two Greek sources annotated by the translator in the mid-16th century now reside in Princeton, New Jersey.


A Series of Mini-projects from TRansforming Instruction in Undergraduate Mathematics via Primary Historical Sources, by Janet Barnett, Kathy Clark, Dominic Klyve, Jerry Lodder, Danny Otero, Nick Scoville, and Diana White


Math Origins, by Erik R. Tou

How were concepts, definitions, and theorems familiar to today's students of mathematics developed over time?


Mathematical Treasures at the Linda Hall Library, by Cynthia J. Huffman

Description of the physical and digital history of science collections of the Linda Hall Library in Kansas City. At least 75 of LHL's digitized rare books relate to the history of mathematics and can be used in classrooms.

Mathematical Treasures from the Linda Hall Library added during 2018:


Mathematical Treasures, by Frank J. Swetz

Index to Mathematical Treasures Collection: Images of historical texts and objects from libraries, museums, and individuals around the world for use in your classroom!

Mathematical Treasures added during 2018:

"What's in Convergence? - Contents of Volume 15 - 2018," Convergence (December 2017)

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