mnemonic device
81Classical element — For other uses of 4 elements, see Four elements (disambiguation). For other uses of 5 elements, see Five elements (disambiguation). Many philosophies and worldviews have a set of classical elements believed to reflect the simplest essential parts …
82Elementary algebra — is a fundamental and relatively basic form of algebra taught to students who are presumed to have little or no formal knowledge of mathematics beyond arithmetic. It is typically taught in secondary school under the term algebra. The major… …
83Fujiwara clan — The Fujiwara clan (藤原氏 Fujiwara shi ), descending from the Nakatomi clan, was a powerful family of regents in Japan that monopolized the regent positions, Sesshō and Kampaku . The clan originated when the founder, Nakatomi no Kamatari (614 669),… …
84Gemstone — Jewels redirects here. For other uses, see Jewels (disambiguation). Precious Stone redirects here. For the James Bond character, see Hurricane Gold. For other uses, see Gemstone (disambiguation). A selection of gemstone pebbles made by tumbling… …
85Phencyclidine — Systematic (IUPAC) name …
86Rhyme — A rhyme is a repetition of similar sounds in two or more words and is most often used in poetry and songs. The word rhyme may also refer to a short poem, such as a rhyming couplet or other brief rhyming poem such as nursery rhymes. Contents 1… …
87Two-out-of-five code — In telecommunication, a two out of five code is an m of n code that provides exactly ten possible combinations, and thus is popular for representing decimal digits using five binary bits. There are ways to assign weights to each bit such that the …
88Modern Western square dance — (also called Western square dance, contemporary Western square dance, modern American square dance or modern square dance) is one of two types of square dancing, along with traditional square dance. As a dance form, modern Western square dance… …
89Esperanto orthography — Esperanto …
90Heian period — The nihongo|Heian period|平安時代|Heian jidai is the last division of classical Japanese history, running from 794 to 1185. [ [http://search.eb.com/eb/article 9039814 Heian period ] . Encyclopædia Britannica . Retrieved 2007 04 24.] It is the period… …
