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December 16, 2018
Spiral Similarity of cyclic quadrilaterals

Pedal triangles lead to spirally similar cyclic quadrilaterals in any triangle. A half turn and dilation by 1/8 create the new quadrilateral.

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December 13, 2018
I(N)MO Camp 2018-19

30 sessions, 45 hours, a team of 6 faculty members. Cheenta is presenting a camp for Indian National Math Olympiad (leading to International Math Olympiad). We begin on 14th December 2018 and it will run up to 19th January 2019.

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December 11, 2018
AMC 10 Paper Folding Geometry

We fold a paper using GeoGebra and explore a problem from American Mathematical Contest

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December 10, 2018
Work of the giants

From Hilbert to Thurston, Clairaut to Dunwoody, we explore competing methods of writing mathematics. They form the philosophical basis of Cheenta Classes.

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December 7, 2018
Points are actions - Complex Number 2

Points can be imagined as actions! A journey into the essence of complex numbers (from Cheenta I.S.I. & C.M.I. Entrance Program, Math Olympiad Program)

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December 5, 2018
Spiral Similarity - Complex Number 1

Spiral similarity is a motion in the plane. Complex Numbers are tools for describing this motion. From Math Olympiad, I.S.I., C.M.I. Entrance Program

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December 3, 2018
Connecting the dots, from geometry to combinatorics and more

Torus, Klein bottle to equivalence relations and partitions. How imagination and 'connecting the dots' is critical to enjoying the beauty of mathematics.

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November 28, 2018
ISI - CMI entrance Book List

ISI - CMI entrance book list is useful for B.Stat and B.Math Entrance of Indian Statistical Institute, B.Sc. Math Entrance of Chennai Mathematical Institute

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November 26, 2018
Shapes and Measure 1 - let us divide!

An experiment to teach percentage arithmetic, Euclidean geometry, rational and irrationals and computational software tools in an interdisciplinary manner. We extensively used GeoGebra and plan to use Python later in this sequence of discussions. The exposition is conversational (in the spirit of Tarasov's Pre-Calculus). As a method of pedagogy, dialectics is subtly employed to enhance student's grasp of the subject. 

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November 21, 2018
AM GM Inequality, Euler Number - Stories in Real Analysis

A.M.- G.M. Inequality can be used to prove the existence of Euler Number. A fascinating journey from classical inequalities to invention of one of the most important numbers in mathematics!

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