Math might not have been your favorite subject in school but the discipline is full of some interesting facts. Here’s a low-down of some cool math facts:

Zero is the only number that is not represented in the Roman numerals. It is also the only number with a variety of names like nil, naught, zip and zilch. It is derived from the Arabic word ‘sifr’ which means a secret way of writing.

The opposite sides of a dice always add up to the number seven. Try noticing it the next time you play a game!

Ever heard people saying they’d be back in a jiffy? A Jiffy is an actual unit of time i.e. 1/100^{th} of a second!

Googol is a term used for the number 1 followed by 100 zeros. It was coined by a nine year old in 1940. Google, the iconic search engine, derives its name from the misspelling of this word googol.

Add the numbers from 1-100. You will get a total of 5050!

The Greek mathematician, Pythagoreans used small rocks to signify numbers while working on mathematical equations. This is how the word Calculus originated, which means pebbles in Greek.

There is only number in math that is spelt using the same number of letters as the number itself- Four.

A parallelepiped is a three dimensional parallelogram!

In the series of the numbers 0-1000, the letter ‘A’ figures only once. It only appears in one thousand!

If you take the set of all possible shapes of the same area, a circle will have the shortest perimeter.

Here is why the number 9 is a magic number. If you multiply a number with nine and add all digits of the resulting number, the sum would always be nine. Try it out!