(mathematics) being linear

(mathematics) vector / (computer science) vector (a one-dimensional array) / (figuratively) direction (in life)

a line of text / (mathematics) a row of a matrix / (calligraphy) Abbreviation of 行書 (“semi-cursive script”).

(mathematics) abstract algebra

algebraic geometry

linear algebra

Clipping of 代数学 (daisūgaku, “algebra”).

scholarship; learning; knowledge

a target, a mark, a bullseye / an objective, an object (of doing something)

as far as ... is concerned; in terms of ...