Maru is my best friend, always helping me.

A round table is placed in the center of the room.

This circle looks perfect.

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

His performance was perfect and without blemish.

He is immersed in the study of panmagic squares.

This fish is completely farmed, and no capture is done in the natural environment.

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

This programming language is said to be Turing complete.

He drew a small circle on the notebook.