Encyclopedia > Cell

Article Content

Cell

A cell is a single unit or compartment, enclosed by a border or wall.

Examples of cells:

prison cell
Biological cell
Electrochemical cell
Radio cell[?], as used in cellular mobile and cell phone
Geometric cell - the three-dimensional analogue of a face

Featured Article

Quadratic formula

... will make it a perfect square trinomial of the form x2 + 2xy + y2. Since "2xy" in this case is (b/a)x, we must have y = b/(2a), so we add the square of b/(2a) to both ...