**Hindi**is also spoken by a large population of Madheshis (people having roots in north-India but having migrated to**Nepal**over hundreds of years) of**Nepal**. Apart from this,**Hindi**is spoken by the large Indian diaspora which hails from, or has its origin from the "**Hindi**Belt" of India.The

**Hindu–Arabic numeral system**or Indo-Arabic numeral system (also called the Arabic numeral system or Hindu numeral system) is a positional decimal numeral system, and is the most common system for the symbolic representation of**numbers**in the world. It was invented between the 1st and 4th centuries by Indian mathematicians.