class of unit
21Class number problem — In mathematics, the Gauss class number problem (for imaginary quadratic fields), as usually understood, is to provide for each n ≥ 1 a complete list of imaginary quadratic fields with class number n. It is named after the great… …
22Unit (ring theory) — In mathematics, a unit in a (unital) ring R is an invertible element of R , i.e. an element u such that there is a v in R with : uv = vu = 1 R , where 1 R is the multiplicative identity element.That is, u is an invertible element of the… …
23Unit (housing) — A unit is a measure of housing equivalent to the living quarters of one household. In common speech in Australia and New Zealand, the word unit , when referring to housing, usually means either: an apartment, (where a group of apartments is… …
24Class 1 Touring Cars — Alfa Romeo 155 V6 TI DTM Class 1 Touring Car as driven by Nicola Larini in the 1993 DTM Class 1 Touring Cars was a production based touring car racing category introduced by the FIA in 1993 along with Class 2 Touring Cars, the latter officially… …
25Class (biology) — …
26British Rail Class 395 — Class 395 …
27Unit Control Block — In IBM mainframe operating systems from the z/OS line, a Unit Control Block (UCB) is a memory structure, or a control block , that describes any single input/output peripheral device, or a unit , to the operating system.A similar concept in Unix… …
28unit class — noun : a class with a single member …
29British Rail Class 205 — Class 205, no. 205009 at London Victoria on 15 August 2003, with a service to Uckfield. This service no longer runs, with all trains to Uckfield now diverted to London Bridge. 2004 was the final year of service of these elderly units. This unit… …
30British Rail Class 180 — Adelante Grand Central Class 180 on the East Coast Main Line In service 2002 Present …
