Kazuko is my best friend.

Kazusa is my best friend.

This room has a harmonious atmosphere, and it's very calming.

Please calculate the sum of this sequence.

This computer is using the latest technology.

Computational linguistics is the study of analyzing human language with computers.

He is an expert in computer science.

Computational geometry is an important field of computer science.

He is studying late into the night to learn a new computer language.

I analyze data using a spreadsheet software.