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1 天前 · The swastika ( 卐 or 卍) is an ancient religious and cultural symbol, predominantly found in various Eurasian cultures, as well as some African and American ones. In the western world it is more widely recognized as a symbol of the German Nazi Party who appropriated it from Asian cultures starting in the early 20th century.
1 天前 · Luxembourg is a representative democracy headed by a constitutional monarch, Grand Duke Henri, making it the world's only remaining sovereign grand duchy . Luxembourg is a developed country with an advanced economy and one of the world's highest GDP (PPP) per capita as per IMF and World Bank estimates.
4 天前 · The number π (/paɪ/; spelled out as "pi") is a mathematical constant that is the ratio of a circle's circumference to its diameter, approximately equal to 3.14159. The number π appears in many formulae across mathematics and physics. It is an irrational number, meaning that it cannot be expressed exactly as a ratio of two integers, although ...
2 天前 · A mathematical symbol is a figure or a combination of figures that is used to represent a mathematical object, an action on mathematical objects, a relation between mathematical objects, or for structuring the other symbols that occur in a formula.
5 天前 · Attack on Titan ( Japanese: 進撃の巨人, Hepburn: Shingeki no Kyojin, lit. 'The Advancing Giant') is a Japanese manga series written and illustrated by Hajime Isayama.
2 天前 · The monarch butterfly or simply monarch ( Danaus plexippus) is a milkweed butterfly ( subfamily Danainae) in the family Nymphalidae. [6] . Other common names, depending on region, include milkweed, common tiger, wanderer, and black-veined brown. [7] .
4 天前 · Binomial distribution for = with n and k as in Pascal's triangleThe probability that a ball in a Galton box with 8 layers (n = 8) ends up in the central bin (k = 4) is /. In probability theory and statistics, the binomial distribution with parameters n and p is the discrete probability distribution of the number of successes in a sequence of n independent experiments, each asking a yes–no ...
