He reads the newspaper every day to keep up with the latest information.

That building is very old.

This building maintains perfect verticality.

This wall is completely vertical.

This plan was perfectly successful.

This project has been completed in its entirety.

He is a perfectionist, and his approach to work is very strict.

This programming language is said to be Turing complete.

His performance was perfect and without blemish.

In mathematics, a perfect number refers to a number where the sum of its divisors, excluding the number itself, equals the number.