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Roman numerals: for example the word "six" in the clue might be used to indicate the letters VI; The name of a chemical element may be used to signify its symbol; e.g., W for tungsten; The days of the week; e.g., TH for Thursday; Country codes; e.g., "Switzerland" can indicate the letters CH; ICAO spelling alphabet: where Mike signifies M and ...
An American-style 15×15 crossword grid layout. A crossword (or crossword puzzle) is a word game consisting of a grid of black and white squares, into which solvers enter words or phrases ("entries") crossing each other horizontally ("across") and vertically ("down") according to a set of clues.
The number of words in the answer is not given in the clue—so a one-word clue can have a multiple-word answer. [28] The theme, if any, will be applied consistently throughout the puzzle; e.g., if one of the theme entries is a particular variety of pun, all the theme entries will be of that type. [9] Theme answers will tend to be the longest ...
(Specific case of the generalized form below with p = q = 1 / 2 ) The host always reveals a goat and always offers a switch. If and only if he has a choice, he chooses the leftmost goat with probability p (which may depend on the player's initial choice) and the rightmost door with probability q = 1 − p. [38] [34]
These letters include Q, J, X, and Z. Lastly, the strategy of looking for double letters in the word being searched for (if a word list is provided) proves helpful, because it is easier to spot two identical letters side-by-side than to search for two different letters. If a word list is not provided, a way to find words is to go row by row.
Hill's cipher machine, from figure 4 of the patent. In classical cryptography, the Hill cipher is a polygraphic substitution cipher based on linear algebra.Invented by Lester S. Hill in 1929, it was the first polygraphic cipher in which it was practical (though barely) to operate on more than three symbols at once.
More Than: The team chooses a value and is then told whether or not the correct answer is higher than it. Odd or Even: The team is told whether the correct answer is odd (units digit of 1, 3, 5, 7, or 9) or even (units digit of 2, 4, 6, 8, or 0). Range: The team is shown an interval containing the correct answer whose ends differ by 10 (e.g. 14 ...
In US spellings, silent letters are sometimes omitted (e.g., acknowledgment / UK acknowledgement, ax / UK axe, catalog / UK catalogue, program / UK programme outside computer contexts), but not always (e.g., dialogue is the standard spelling in the US and the UK; dialog is regarded as a US variant; the spelling axe is also often used in the US).