Functional analysis is a branch of mathematics that studies the properties of functions in infinite-dimensional spaces.

Simple Mail Transfer Protocol is a protocol for sending and receiving emails on the Internet.

These two software have complete interchangeability.

This compound is called cyclopentadecane.

He said, 'Misery of life starts at literacy,' and spoke about the hardships of learning.

This book has up to three volumes.

Kushiyaki is one of the traditional dishes in Japan.

He looked like a god.

Mr. Kayamoto went to the festival.

This triplewart seadevil living in the deep sea is known for its unique appearance.