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It also has a certain amount of jargon: commonly used phrases which are part of the culture of mathematics, rather than of the subject. Jargon often appears in lectures, and sometimes in print, as informal shorthand for rigorous arguments or precise ideas. Much of this uses common English words, but with a specific non-obvious meaning when used ...
An American-style 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. Each white square is typically filled with one letter ...
A German rebus, circa 1620. A rebus (/ ˈriːbəs / REE-bəss) is a puzzle device that combines the use of illustrated pictures with individual letters to depict words or phrases. For example: the word "been" might be depicted by a rebus showing an illustrated bumblebee next to a plus sign (+) and the letter "n". It was a favourite form of ...
The game play for the word version is as follows. One player (the host) thinks of an isogram word (i.e. no letter appears twice) and, if the word length is not pre-determined, announces the number of letters in the word. Other players (the guessers) try to figure out that word by guessing isogram words containing the same number of letters.
Hangman (game) Hangman is a guessing game for two or more players. One player thinks of a word, phrase, or sentence and the other (s) tries to guess it by suggesting letters or numbers within a certain number of guesses. Originally a paper-and-pencil game, there are now electronic versions.
A Word Sum Puzzle (also known as WSP) is a word game that requires simple mathematical operations, and vocabulary skills to be solved. The solution is always a single word that contains four or more letters. A WSP has a clue and two or more hints, where the clue is a meaning for the solution (a single word) and each hint gives the sum of the ...
Ant on a rubber rope: An ant crawling on a rubber rope can reach the end even when the rope stretches much faster than the ant can crawl. Cramer's paradox: The number of points of intersection of two higher-order curves can be greater than the number of arbitrary points needed to define one such curve.
The codebreaker tries to guess the pattern, in both order and color, within eight to twelve turns. Each guess is made by placing a row of code pegs on the decoding board. [8]: 120 Once placed, the codemaker provides feedback by placing from zero to four key pegs in the small holes of the row with the guess. A colored key peg is placed for each ...