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In mathematics, a multiplication table (sometimes, less formally, a times table) is a mathematical table used to define a multiplication operation for an algebraic system. The decimal multiplication table was traditionally taught as an essential part of elementary arithmetic around the world, as it lays the foundation for arithmetic operations ...
This page was last edited on 6 June 2004, at 11:02 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply ...
Mathematical tables are lists of numbers showing the results of a calculation with varying arguments.Trigonometric tables were used in ancient Greece and India for applications to astronomy and celestial navigation, and continued to be widely used until electronic calculators became cheap and plentiful in the 1970s, in order to simplify and drastically speed up computation.
The History of Mathematical Tables: from Sumer to Spreadsheets is an edited volume in the history of mathematics on mathematical tables.It was edited by Martin Campbell-Kelly, Mary Croarken, Raymond Flood, and Eleanor Robson, developed out of the presentations at a conference on the subject organised in 2001 by the British Society for the History of Mathematics, [1] [2] and published in 2003 ...
The multiplication sign (×), also known as the times sign or the dimension sign, is a mathematical symbol used to denote the operation of multiplication, which results in a product. [1] The symbol is also used in botany, in botanical hybrid names. The form is properly a four-fold rotationally symmetric saltire. [2]
13 (thirteen) is the natural number following 12 and preceding 14.. Folklore surrounding the number 13 appears in many cultures around the world: one theory is that this is due to the cultures employing lunar-solar calendars (there are approximately 12.41 lunations per solar year, and hence 12 "true months" plus a smaller, and often portentous, thirteenth month).
The word 'tables' is derived from the Latin tabula which primarily meant 'board' or 'plank', but also referred to this genre of game. From its plural form, tabulae, come the names in other languages for this family of games including the Anglo-Saxon toefel, German [wurf]zabel, Greek tavli, Italian tavoli, Scandinavian tafl, Spanish tablas and, of course, English and French tables.
[15] [16] Some scholars deny that the Romans imitated the Greeks in this respect [17] or suggest that they visited only the Greek cities of Southern Italy, and did not travel all the way to Greece. [18] In 450 BC, the second decemviri started to work on the last two tables. The first decemvirate completed the first ten codes in 450 BC.