The number zero is a whole number (counting number).An exception to this is seen in many programming languages. ![]() This means that it is not used like 1, 2, or 3 to indicate the order, or place, of something, like 1st, 2nd, or 3rd. ![]() Zero is almost never used as a place number ( ordinal number). This is why numbers are called "Arabic numerals". The Europeans learned about zero from the Arabs, and stopped using Roman math. ![]() Over hundreds of years, the idea of zero was passed from country to country, from India and Babylon to other places, like Greece, Persia and the Arab world. In India, zero was theorized in the seventh century by the mathematician Brahmagupta. For example, the year after 1 BC is AD 1 (there is no year zero). Some places and countries did not know about zero, which may have made it harder for those people to do mathematics. The idea of zero was first thought about in Babylon, India and in Central America at different times. The following table includes all of the above examples along with other operations in a condensed, generalized form (where x represents any number).
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