A positive number is a number greater than zero.

His house is very big.

This game is considered a zero-sum game.

The balance of his bank account is zero.

In order to solve this problem, you need to understand the concept of the zero vector.

What we should aim for is a society with zero COVID.

My grades are plus-minus zero.

He is a 'big friend', an adult fan of that anime.

He solved a large number of problems.

Understanding numbers is important for solving math problems.