Algebra (from the Arabic "al-djebr" which means "reunion", "connection" or "completion") is a branch of mathematics which may be defined as a generalization and extension of arithmetic. The field may be roughly divided in
... density is 481.1/km² (1,246.0/mi²). There are 23,525 housing units at an average density of 212.1/km² (549.3/mi²). The racial makeup of the city is ...