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# Author Archives: Sarah Spoenemann

## The Story of Phi

The August book of the month is actually a group of books, all “The Story of Phi” particular numbers. These books include a social history as well as the mathematical history. e: The story of a number by Eli Maor, … Continue reading

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## MathWorld

The Site of the Month for July is MathWorld from Wolfram. An encyclopedic collection of mathematical items, searchable by topic or alphabetical index. It is “a free resource from Wolfram Research built with Mathematica” and was created (and continues to … Continue reading

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## 4000 Jahre Algebra (4000 Years of Algebra)

The July Book of the Month is in German: 4000 Jahre Algebra (4000 Years of Algebra) by Alten, Naini, Eick, Folkerts, Schlosser, Schlote, Wesemüller-Koch, & Wußing. First published in 2003 and republished by Springer-Verlag in 2014 (also available as an … Continue reading

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## Fantasia Mathematica

June’s Book of the Month is Fantasia Mathematica, a collection of mathematical stories, poems, and humour compiled by Clifton Fadiman, and first published by Simon & Schuster in 1958. Authors include Aldous Huxley, H.G. Wells, and Arthur C. Clarke. It … Continue reading

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## How do I Solve this Equation? Look at the Symmetries! – The Idea behind Galois Theory

Originating author is Timo Leuders. Introduction There are some questions that accompany the development of mathematics through cultures and ages. One of these questions is how to find an unknown quantity of which one knows some relations such as – … Continue reading

## Mathematical Impressions

June’s Site of the Month is: Mathematical Impressions A series of video presentations of mathematical phenomena, and discussion of their properties. These videos by geometer George Hart are part of the Simons Foundation scientific outreach. George Hart’s work can be … Continue reading

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## On-Line Encyclopaedia of Integer Sequences

May’s Site of the Month is the On-Line Encyclopaedia of Integer Sequences. The wiki-page is available in over 50 languages. This site of over a quarter of a million sequences allows you to enter the first integers of any sequence … Continue reading

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## Metamagical Themas

May’s Book of the Month is Metamagical Themas by Douglas Hofstadter. First published in 1985 by Basic Books, available in hardback and paperback. Also available in French under the title Ma Thémagie (InterEditions, 1988). Our second ever Book of the … Continue reading

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## TEDEd Lessons Worth Sharing

April’s Site of the Month is: TEDEd Lessons Worth Sharing TEDEd Lessons are short (~4mins) video clips, and the ones on mathematics include several riddles, plus unusual uses of mathematics. There are also some conventional clips such as “The Secrets … Continue reading

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## How To Lie With Statistics

April’s Book of the Month is How To Lie With Statistics by Darrell Huff. Norton reissued this 1954 book in 1993, and this edition is available on Kindle. There is a 1991 Penguin edition and it has been translated into … Continue reading

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