Maths has always been a part of an unknown yet captivating world where numbers reveal hidden secrets. Whether ancient riddles that bewildered our minds centuries ago or today’s marvels shaping our technology. Maths is a world with fascinating facts. Moreover, imagine a puzzle formed in 1783 that still intrigues our minds today, or the revolutionary concept of 0 introduced by an ancient mathematician. All invented by famous mathematicians of all times! Now you need to brace yourselves as you get to know these 21 interesting facts about maths that will forever change how you perceive the mathematical language of the universe!

1. Sudoku, originating in 1783 by Swiss mathematician Leonhard Euler got widespread popularity in the 21st century for its addictive logic.
1. The word “mathematics” comes from a Greek word that means “knowledge or learning.”
1. Zero as a number was first used in India around 300 BC.
1. The Fibonacci sequence is a series of numbers. Each number is found by adding the two before it, like 0, 1, 1, 2, 3, 5, 8…
1. When you multiply 111,111,111 by itself, you get a cool pattern: 12,345,678,987,654,321!
1. Pi (π) is a special number that goes on forever without repeating, like 3.14159…
1. The Golden Ratio by ancient Greek mathematicians is approximately 1.618. It is sacred, manifesting in art, architecture, and nature, evident from the Parthenon’s design to seashell spirals.
1. Negative numbers, like -1 or -5, were figured out by Chinese mathematicians a long time ago.
1. Infinity, a complex and fascinating concept explored by mathematicians like Cantor. It reveals the existence of infinitely many infinities, hence challenging our understanding of the infinite.
1. There is a very long proof in math that took over 15,000 pages to explain and was completed in 2004.
1. The Goldbach Conjecture is a famous puzzle. It says every even number greater than 2 can be made by adding two prime numbers together.
1. The first calculator was made a long time ago by Blaise Pascal in 1642.
1. Euler’s Number (e) is a special number in math, kind of like pi, but different. It can also figure out how money grows over time with compound interest.
1. Even though it looks weird, 0.999… is the same as 1!
1. The Pythagorean theorem is about right triangles. It says that if you square the lengths of the two shorter sides and add them up, you will get the square of the longest side.
1. Europeans did not like the idea of zero as a number until the 12th century.
1. Imaginary numbers, like the square root of -1, were thought up by an Italian guy named Cardano in the 16th century.
1. One is a special number because it cannot be written as a fraction, except as 1 itself.
1. Calculus, a fancy math subject, was invented by two different people: Isaac Newton and Gottfried Wilhelm Leibniz.
1. Lots of people think 7 is a lucky number.
1. But watch out for 13, because many people think it’s unlucky!

Did you know? The International Day of Mathematics is celebrated every year on the 14th of March and has been inspired by Pi i.e. 3.14!