Cheenta Blog Since 2010

Mathematics is Beautiful
University Application
Guides
Books
ISI Entrance
Math Olympiad
বাংলা
All Posts
November 19, 2018
Homework, Duality, Euler Number and Cheenta this week!

Hello mathematician! I do not like homework. They are boring ‘to do’ and infinitely more boring to ‘create and grade’. I would rather read Hilbert’s ‘Geometry and Imagination’ or Abanindranath’s ‘Khirer Putul’ at that time. Academy Award winner Michael Moore, Rabindranath Tagore and Finland’s educators (who have the number 1 education system for school students) are […]

Read More
November 16, 2018
Lets invent Euler Number!

Do you want to invent new numbers and new functions? The story of how any age old banking formula led to the discovering of real analysis!

Read More
November 15, 2018
Stories in Real Analysis - Inverse Maps

Inverse maps are very important in Real analysis. They form the backbone of the definition of continuity. We explore one of it's properties.

Read More
October 29, 2018
RMO 2018 Tamil Nadu Problem 3 - Nonlinear Diophantine Equation

RMO 2018 Tamil Nadu Problem 3 Sequential Hints and Solution. A number theory problem with a pinch from diophantine equation.

Read More
October 29, 2018
RMO 2018 Tamil Nadu Problem 2 - real quadratic

RMO 2018 Tamil Nadu Problem 2 Sequential Hints and Solution. A polynomial problem with seasoning from geometric progression.

Read More
October 29, 2018
RMO 2018 Tamil Nadu Problem 1 - angle bisector

RMO 2018 Tamil Nadu Problem 1 Sequential Hints and Solution. A beautiful geometry problem that uses properties of cyclic quadrilaterals.

Read More
October 29, 2018
RMO2018 Tamil Nadu Solutions and Problems

Regional Math Olympiad (Tamil Nadu Region, 2018) Problems, Sequential Hints and Discussion.

Read More
October 28, 2018
Golden Ratio and Right Triangles - when geometry meets number theory

The golden ratio is arguably the third most interesting number in mathematics. We explore a beautiful problem connecting Number Theory and Geometry.

Read More
October 22, 2018
Proper Metric Spaces can be modeled by Rays!

‘Proper’ is a heavily overloaded term, both in life and in mathematics. It may mean different stuff in different contexts. Thankfully mathematics is far less complicated that life and we can rigorously define properness.

Read More
October 21, 2018
Parity and Symbolic Divisibility - an excursion in Number Theory

Parity and divisibility are two interesting tools of elementary number theory. Coupled with an estimation with AM-GM inequality, we have excursion into the queen of mathematical disciplines.

Read More
© 2010 - 2025, Cheenta Academy. All rights reserved.
linkedin facebook pinterest youtube rss twitter instagram facebook-blank rss-blank linkedin-blank pinterest youtube twitter instagram