Arabic numerals in its entry in the "Oxford English Dictionary", which helps to distinguish it from "Arabic numerals" as the Eastern Arabic numerals. Alternative names are Western Arabic numerals, Western numerals, Hindu–Arabic numerals and Unicode calls them digits. The decimal Hindu–Arabic numeral system with zero was developed in India by around AD 700. The development was gradual, spanning several centuries, but the decisive step was probably provided by Brahmagupta's formulation of zero as a number in AD 628. The system was revolutionary by including zero in positional notation, thereby limiting the number of individual digits to ten. It is considered an important
Thai numerals oval 0 (number) when using Arabic numerals, but a small circle when using traditional numerals, and also means "centre" in other contexts. It is from Sanskrit "śūnya", as are the (context-driven) alternate names for numbers one to four given below; but not the counting 1 (number). Thai names for "N" +1 and the regular digits 2 through 9 as shown in the table, below, resemble those in Chinese varieties (e.g., Cantonese and Min Nan) as spoken in Southern China, the homeland of the overseas chinese living in South East Asia . In fact, the etymology of Thai numerals 2, 3,