WebA better way is to the divide the range into intervals half way between the squares. So any number between 25 and half way to 36, which is 30.5, estimate 5; any number greater than 30.5 up to 36, estimate 6. The procedure only requires a little arithmetic to find a boundary number in the middle of two products from the multiplication table ...

WebSex-selective abortion and infanticide are thought to significantly skew the naturally occurring ratio in some populations, such as China, where the introduction of ultrasound scans in the late 1980s has led to a birth sex ratio (males to females) of 1.181 (2010 official census data for China). The 2011 India census reports India's sex ratio in the 0–6 age …

WebMandarin (/ ˈ m æ n d ər ɪ n / (); simplified Chinese: 官话; traditional Chinese: 官話; pinyin: Guānhuà; lit. 'officials' speech') is a group of Chinese (Sinitic) dialects that are natively spoken across most of northern and southwestern China.The group includes the Beijing dialect, the basis of the phonology of Standard Chinese, the official language of China.

WebPretoria was founded in 1855 by Marthinus Pretorius, a leader of the Voortrekkers, who named it after his father Andries Pretorius and chose a spot on the banks of the Apies rivier (Afrikaans for "Monkeys river") to be the new capital of the South African Republic (Dutch: Zuid Afrikaansche Republiek; ZAR).The elder Pretorius had become a national hero of …

WebA regex processor translates a regular expression in the above syntax into an internal representation that can be executed and matched against a string representing the text being searched in. One possible approach is the Thompson's construction algorithm to construct a nondeterministic finite automaton (NFA), which is then made deterministic …

WebThe IEEE Standard for Floating-Point Arithmetic (IEEE 754) is a technical standard for floating-point arithmetic established in 1985 by the Institute of Electrical and Electronics Engineers (IEEE). The standard addressed many problems found in the diverse floating-point implementations that made them difficult to use reliably and portably.Many …

WebQuicksort is an efficient, general-purpose sorting algorithm.Quicksort was developed by British computer scientist Tony Hoare in 1959 and published in 1961, it is still a commonly used algorithm for sorting. Overall, it is slightly faster than merge sort and heapsort for randomized data, particularly on larger distributions.. Quicksort is a divide-and-conquer …

Webin the sense that the quotient of the nth Catalan number and the expression on the right tends towards 1 as n approaches infinity. This can be proved by using the asymptotic growth of the central binomial coefficients, by Stirling's approximation for !, or via generating functions.. The only Catalan numbers C n that are odd are those for which n = 2 k − 1; all …

WebFermat's Last Theorem, formulated in 1637, states that no three positive integers a, b, and c can satisfy the equation + = if n is an integer greater than two (n > 2).. Over time, this simple assertion became one of the most famous unproved claims in mathematics. Between its publication and Andrew Wiles's eventual solution over 350 years later, many …

WebA relational database is a (most commonly digital) database based on the relational model of data, as proposed by E. F. Codd in 1970. A system used to maintain relational databases is a relational database management system (RDBMS).Many relational database systems are equipped with the option of using the SQL (Structured Query Language) for …

WebGear oil is a lubricant made specifically for transmissions, transfer cases, and differentials in automobiles, trucks, and other machinery.It is of a high viscosity and usually contains organosulfur compounds. Some modern automatic transaxles (integrated transmission and differential) do not use a heavy oil at all but lubricate with the lower viscosity hydraulic …

WebErnest Bai Koroma (born 2 October 1953) is a Sierra Leonean politician who served as the fourth President of Sierra Leone from 17 September 2007 to 4 April 2018.. Born and raised in Makeni in northern Sierra Leone, Koroma spent more than 24 years working in the private insurance industry before entering politics in 2002. From 1988 to 2002, he was the …

WebThe condition F.EmployeeID < S.EmployeeID excludes pairings where the EmployeeID of the first employee is greater than or equal to the EmployeeID of the second employee. In other words, the effect of this condition is to exclude duplicate pairings and self-pairings. Without it, the following less useful table would be generated (the table below ...

WebBig two (also known as deuces, capsa, pusoy dos, dai di and various other names) is a card game of Cantonese origin. It is similar to the games of winner, daifugō, president, crazy eights, cheat, and other shedding games. The game is very popular in East Asia, and in Southeast Asia (due to overseas Chinese influence), especially throughout mainland …