(a) notion of vectors, basic e.g. a~ + b = c~ b =ka,
operation on vectors, conditions k | a | = | b |.
of vectors to be parallel and
collinear. Magnitude of a vector.

(b) Addition and multiplication of Some simple applications of
matrices. Determinant and inverse matrices, e.g. as stores of
of a 2×2 matrix. information and as a tool
to solve systems of linear
equations.