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- IAS NEXT, Lucknow
- 16, Mar 2022

**Reference News:-**

14th March, every year is observed as the International Day of Mathematics.

- The International Day of Mathematics is a project led by the International Mathematical Union with the support of numerous international and regional organizations.
- The first International Day of Mathematics was marked in March 2020.
- March 14 is already celebrated in many countries as Pi Day because that date is written as 3/14 in some countries and the mathematical constant Pi is approximately 3.14.

The theme for the 2022 International Day of Mathematics is Mathematics Unites.

**Do you know about the National Mathematics Day?**

**Reference News:-**

Celebrated every year on December 22.

- It is observed to honor the birth anniversary of the famous mathematician Srinivasa Ramanujan who greatly contributed towards mathematical analysis, number theory, infinite series and continued fractions.
- 2021 marks 134th birth anniversary of Dr Ramanujan.

**Highlights of Srinivasa Ramanujan’s life:**

- In 1911, Ramanujan published the first of his papers in the Journal of the Indian Mathematical Society.
- Ramanujan traveled to England in 1914, where Hardy tutored him and collaborated with him in some research.
- He worked out the Riemann series, the elliptic integrals, hypergeometric series, the functional equations of the zeta function, and his own theory of divergent series.
- The number 1729 is known as the Hardy-Ramanujan number after a famous visit by Hardy to see Ramanujan at a hospital. It is the smallest number which can be expressed as the sum of two different cubes in two different ways.
- Hardy observed Ramanujan’s work primarily involved fields less known even amongst other pure mathematicians.
- Ramanujan’s home state of Tamil Nadu celebrates 22 December as ‘State IT Day’, memorialising both the man and his achievements, as a native of Tamil Nadu.
- Ramanujan compiled around 3,900 results consisting of equations and identities. One of his most treasured findings was his infinite series for

The Dev Patel-starrer ‘The Man Who Knew Infinity’ (2015) was a biopic on the mathematician.