YBC 7289

Rarity: Common

The most frequent rarity: most Wikipedia articles become Commons.

Rarity follows how well known the article is: its views on the French and English Wikipedia over a year, and the number of languages it exists in.

At a glance

Class

Work

Domain

Arts and letters

Knowledge cost

4

In collections

Nobody has pulled it yet.

What Wikipedia says

YBC 7289 is a Babylonian clay tablet notable for containing an accurate sexagesimal approximation to the square root of 2, the length of the diagonal of a unit square. This number is given to the equivalent of six decimal digits, "the greatest known computational accuracy ... in the ancient world".

Excerpt from the Wikipedia article “YBC 7289”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Urcia, A., Yale Peabody Museum of Natural History, https://peabody.yale.edu, http://hdl.handle.net/10079/8931zqj derivative work, user:Theodor Langhorne Franklin, CC0, via Wikimedia Commons.