He is majoring in applied mathematics at university.

He is a world-famous mathematician.

Combinatorics is a branch of mathematics that studies combinations of things.

Combinatorics is a branch of mathematics that studies combinations of things.

Combinatorics is a branch of mathematics dealing with issues of order and choice.

Discrete mathematics is an important field that forms the basis of computer science.

The absolutive case is a grammatical case that can represent both the subject and the object.

Her absolute territory caught my eye.

His absolute belief gave him the power to overcome difficulties.

He believes in the philosophy of absolutism.