| • Science | • People | • Locations | • Timeline |
| Contents | ||
| Arabic digits Arabic digits | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | |
| #REDIRECT Numbers (0s) | |
| Cardinal | 0 zero nought |
| Ordinal | 0th zeroth |
| Factorization | |
| Divisors | N/A |
| Roman numeral | N/A |
| Binary | 0 |
| Octal | 0 |
| Duodecimal | 0 |
| Hexadecimal | 0 |
Zero or Nought (0) is a number that precedes the positive one, and all positive numbers, and follows negative one, and all negative numbers.
Zero is a number introduced by Indian mathematicians, which means nothing, null, void or an absence of value. For example, if the number of your brothers is zero, then you have no brothers. If the difference between the number of pieces in two piles is zero, it means the two piles have the same number of pieces.
In certain calendarsCalendars A calendar is a system for assigning calendar dates to days. The dates may be based on the perceived motion of astronomical objects. A calendar is also a physical device (often paper) that illustrates the system (for example, a desktop calendar it is common usage to omit the year zero when extending the calendar to years prior to its introduction: see
proleptic Gregorian calendar and proleptic Julian calendarThe proleptic Julian calendar is produced by extending the Julian calendar to dates preceding its official introduction in 45 BC. Historians since Bede have traditionally represented the years preceding AD 1 as "1 BC", "2 BC", etc. In this system the year.The numeral or digit zero is used in numeral systemA numeral is a symbol or group of symbols that represents a number. Numerals differ from numbers just as words differ from the things they refer to. The symbols "11", "eleven" and "XI" are different numerals, all representing the same number. This articles where the position of a digit signifies its value. Successive positions of digits have higher values, so the digit zero is used to skip a position and give appropriate value to the preceding and following digits.
By about 300 BCCenturies: 4th century BC 3rd century BC 2nd century BC Decades: 350s BC 340s BC 330s BC 320s BC 310s BC 300s BC 290s BC 280s BC 270s BC 260s BC 250s BC Years: 305 BC 304 BC 303 BC 302 BC 301 BC 300 BC 299 BC 298 BC 297 BC 296 BC 295 BC Births Deaths Even, the Babylonians had started to use a basic numeral system and were using two slanted wedges to mark an empty space. However, this symbol did not have any true function other than as a placeholder.
In ancient GreeceGreece formally called the Hellenic Republic (in Greek: ) Hellenike Demokratia , is a country in the southeast of Europe on the southern tip of the Balkan peninsula. It is bounded on land by Bulgaria, the Former Yugoslav Republic of Macedonia and Albania, influenced by the Babylonians, compilers of astronomical almanacs were early adopters of the zero as a placeholder. An example was Ptolemy's Almagest of 130 AD. In general, zero did not have its own Roman numeral, but the concept of zero as a number was well known by all Christian medieval computists, who used it for calculating the date of Easter. They included zero (via the Latin word nullae meaning nothing) as one of nineteen epacts, or the age of the moon on March 22. The first three epacts were nullae, xi, and xxii (written in minuscule or lower case). An example was Dionysius Exiguus in 525, and the concept of zero was no doubt well known earlier. About 725, Bede or one of his colleagues used the letter N, the initial of nullae, in a table of epacts, all written in Roman numerals.
The use of zero as a number by itself was a relatively late addition to mathematics, thought to be introduced by Indian mathematicians. An early study of the zero by Brahmagupta dates to 628. By this time it was already known in Cambodia, and it later spread to China and the Islamic world, from where it reached Europe in the 12th century.
Zero was also used as a numeral in Pre-Columbian Mesoamerica, from as early as the 4th century BC. It was used by the Olmec and subsequent civiliations; see also: Maya numerals.
The word zero (as well as cipher) comes from Arabic sifr, meaning "empty".