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Desktop puzzle

What do you think these have in common?

A Front of an Abacus!

More drawings for my sister, this time of several different types of abacus…  Several purposes for these eventually, including some tutorial documents and a custom brochure. 116 more words

Drawing

Book Review: A Doubter's Almanac by Ethan Canin

A Doubter’s Almanac by Ethan Canin

“Genius is a true degenerative psychosis.” These words, a quote by Cesare Lombroso and spoken by a character in “A Doubters’ Almanac” sums up this book quite efficiently. 469 more words

Reviews

Calculus - Derivatives of Exponential Functions

Hello. In this post I will talk about finding derivatives of exponential functions. This topic is found in most introductory calculus courses.

Table of Contents… 186 more words

Mathematics

Two Different Cluster-Polyhedra

An icosahedron is hidden from view in the center of this cluster-polyhedron. To create the cluster, each of the icosahedron’s triangles was augmented with a rhombicosidodecahedron. 56 more words

Mathematics

The biggest mystery in mathematics| @tachyeonz

@tachyeonz : Sometime on the morning of 30 August 2012, Shinichi Mochizuki quietly posted four papers on his website. The papers were huge — more than 500 pages in all — packed densely with symbols, and the culmination of more than a decade of solitary work. 16 more words

@tachyeonz

Mathematics in the Movies

At the wonderful National Cinema Museum, Turin – holiday time this week!

Thinking about Maths in the movies led me to this great collection of movie clips featuring Mathematics from Harvard University: 10 more words

Mathematics