He found the target and shot the arrow.

Personally, I think this movie is the best.

This is my first question.

He is passionate about researching pure mathematics.

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.