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May 16, 2018
I.S.I 2018 Problem 2 Discussion - Power of a Point

I.S.I 2018 Problem 2 Discussion is done based on the idea of ratio of areas of similar triangles is equal to ratio of squares on their corresponding sides.

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May 15, 2018
Solutions of equation - I.S.I. 2018 Problem 1

Find all pairs ( (x,y) ) with (x,y) real, satisfying the equations $$\sin\bigg(\frac{x+y}{2}\bigg)=0~,~\vert x\vert+\vert y\vert=1$$ Discussion: Back to Problems 

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May 14, 2018
ISI Entrance Paper 2018 - B.Stat, B.Math Subjective

Here, you will find all the questions of ISI Entrance Paper 2018 from Indian Statistical Institute's B.Stat Entrance. You will also get the solutions soon of all the previous year problems. Problem 1: Find all pairs $(x,y)$ with $x,y$ real, satisfying the equations: $\sin(\frac{x+y}{2})=0,\vert x\vert+\vert y\vert=1$ Problem 2: Suppose that $PQ$ and $RS$ are two […]

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May 12, 2018
Relationship between Algebra and Geometry

It is interesting to represent Algebraic Identities using Geometric objects. In other words the Relationship between algebra and geometry.  One easy example is presented in this video. Think! Relationship between Algebra and Geometry  Also Visit: Thousand Flowers Program Try to draw the following algebraic identities using geometric objects \(a^2 - b^2 = (a+b)(a-b) \) \( (a+b)^3 = a^3 + […]

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May 9, 2018
Injection Principle - Combinatorics

Injection Principle is an very elegant idea to count objects. This idea is useful for olympiad students as well as for the I.S.I & C.M.I. students.

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May 8, 2018
লিনিয়ার বীজগণিত (বাংলায় আধুনিক গণিত)

লিনিয়ার বীজগণিত নিয়ে আমরা একটি ভিডিও সিরিজ তৈরী করছি। 'চিন্তা'-র কলেজ গণিত প্রোগ্রামে যদিও প্রধানত ইংলিশে আলোচনা হয়, আমরা চেষ্টা করি বিভিন্ন আঞ্চলিক ভাষা গুলোতে কিছু আলোচনা করতে।   পরবর্তী আলোচনা গুলো খুব আসছে এই পাতায়।

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April 28, 2018
Orthocenter and equal circles

This post is about the concept of Orthocenter (the intersection point of altitudes) and equal circles. Watch the videos and learn.

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April 26, 2018
Geometry of Motion: Open Seminar

Learn about the Geometry of Motion in an Open Seminar organized by us. Want to Join or learn more? Get all the information here.

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April 24, 2018
Bijections in Combinatorics (TOMATO Obj 168)

Bijection principle is a very useful tool for combinatorics. Here we pick up a problem that appeared in I.S.I.'s B.Stat-B.Math Entrance. Part 1: The problem and the hints Part 2  Part 3

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April 23, 2018
Algebraic Identity (TOMATO Objective 16)

Watch and learn the concept of Algebraic Identity from TOMATO Objective, Problem 16. This is useful for the students preparing for ISI and CMI Entrance.

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