Author Archives: admin

Higher Dimensions

Originating authors are Markus Ruppert and Hans-Georg Weigand. 1. Looking for the next dimension Does our world really have more than three dimensions? If so, do objects in higher dimension have a relation to the world around us? Is it … Continue reading

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Benford’s law: learning to fraud or to detect frauds?

Originating author is Christiane Rousseau. It is very risky to change too many numbers in some fi nancial statements if one does not know some mathematics. Indeed, most often the numbers appearing in fi nancial statements follow some strange mathematical rule, called … Continue reading

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Map colouring and Gröbner Bases

Originating author is Marcelo Escudeiro Hernandes. By the famous “Four Colour Theorem”, only four colours we need to colour a map so that no bordering regions have the same colour. Using polynomial equations and Gröbner bases we can determine if … Continue reading

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Symmetry Step by Step

Originating author is Ana Cannas da Silva. Symmetry has always fascinated and served humankind in architecture, arts, engineering and science. Over thousands of years symmetric patterns have been used to create fabrics, baskets, floors, wallpapers and wrapping papers, and so … Continue reading

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Recurrence and induction

Originating authors are Michèle Artigue and Ferdinando Arzarello. Given a square grid, it is easy to draw squares whose vertices are intersections of the grid lines. But is it possible to do so for other regular polygons, for instance an … Continue reading

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موقع الشهر: “الرياضيات هنا الآن” Math Here and Now

موقع الشهر: “الرياضيات هنا الآن” Math Here and Now نشر يوم 6 يناير 2015 من قبل سارة سبونمان Sarah Spoenemann موقع شهر ديسمبر 2014 : “الرياضيات هنا الآن” http://www.nctm.org/resources/content.aspx?id=17109 يعتبَر هذا الموقع التابع للمجلس القومي لمدرسي الرياضيات (الأمريكي) National Council … Continue reading

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الكتاب المتميّز لهذا الشهر: “ابتهاج الرياضياتيين” Mathematicians’s Delight

الكتاب المتميّز لهذا الشهر: “ابتهاج الرياضياتيين” Mathematicians’s Delight نشر يوم 6 يناير 2015 من قبل سارة سبونمانSarah Spoeneman كتاب شهر ديسمبر هو بعنوان “ابتهاج الرياضياتيين” Mathematicians’s Delight لصاحبه ولتر وارويك سيير Walter Warwick Sawyer الذي أصدرته دار دوفر Dover للنشر … Continue reading

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Mathematicians’s Delight

December’s Book of the Month is Mathematician’s Delight by W. W. Sawyer, Dover Publications 2007 (originally Penguin Books, 1943). This is Sawyer’s first book, and was written with the aim “to dispel the fear of mathematics.” According to the W. … Continue reading

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Math Here and Now

December’s Site of the Month: Math Here and Now This is one of the High School resource pages of the National Council of Teachers of Mathematics. It contains up to date instances of mathematics in our world. Each example has … Continue reading

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موقع الشهر: جمعية أمريكا للرياضيات Mathematical Association of America

موقع شهر نوفمبر هو موقع جمعية أمريكا للرياضيات Mathematical Association of America http://www.maa.org هو موقع متكامل يستهدف بوجه خاص طلبة المرحلة الأولى الجامعية، لكنه في ذات الوقت مفيد لكل من له اهتمام بالرياضيات. في أسفل الصفحة هناك نافذة تستحق مهمة … Continue reading

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