inversion sign
31Chord (music) — Instruments and voices playing and singing different notes create chords. This article describes pitch simultaneity and harmony in music. For other meanings of the word, see Chord. A chord in music is any harmonic set of two–three or more notes… …
32MOSFET — Two power MOSFETs in the surface mount package D2PAK. Operating as switches, each of these components can sustain a blocking voltage of 120 volts in the OFF state, and can conduct a continuous current of 30 amperes in the ON state, dissipating up …
33Multiferroics — have been formally defined as materials that exhibit more than one primary ferroic order parameter simultaneously (i.e. in a single phase).[1] The four basic primary ferroic order parameters are ferromagnetism, ferroelectricity, ferroelasticity… …
34Permutation — For other uses, see Permutation (disambiguation). The 6 permutations of 3 balls In mathematics, the notion of permutation is used with several slightly different meanings, all related to the act of permuting (rearranging) objects or values.… …
35Chemical reaction — Chemical reactions redirects here. For the 2007 television episode, see Chemical Reactions (Men in Trees). A thermite reaction using iron(III) oxide. The sparks …
36Even and odd permutations — In mathematics, the permutations of a finite set (i.e. the bijective mappings from the set to itself) fall into two classes of equal size: the even permutations and the odd permutations. The parity (oddness or evenness) of a permutation sigma of… …
37Список существующих валют — содержит информацию о валютах, де юре или де факто используемых в различных государственных или территориальных образованиях мира, в том числе с неопределённым международным статусом (валюты, вышедшие из обращения, и валюты не существующих сейчас …
38Коды и классификаторы валют — Датский рекламный плакат. Цена в датских кронах выражена с помощью кода ISO 4217, в евро с использованием знака евро Код валюты относительно короткая последовательность …
39Lesbian — This article is about the sexual orientation. For other uses, see Lesbian (disambiguation) …
40Dihedral group — This snowflake has the dihedral symmetry of a regular hexagon. In mathematics, a dihedral group is the group of symmetries of a regular polygon, including both rotations and reflections.[1] Dihedr …
