[code][/code][code]Vector( <Point> )[/code][br][code][/code]Vector( <Start Point>, <End Point> )[br][br][br][code]u, v[/code] --- Vecotrs[br][code]Dot(u, v)[br][/code] --- Inner product of u and v[br][code]Cross(u, v)[br][/code] --- Exterior product of u and v[br][br]Matrix is a list of lists.[br][code]A = {{1, 2, 3}, {2, 2, 2}, {1, 1, -1}}[/code][br]We can calculate Determinant(A), [code]Invert(A), [/code][code]MatrixRank(A).[/code]