He is good at solving geometry problems.

He is good at geometry.

The Dow Jones Industrial Average has dropped significantly.

Greenwich Mean Time is the standard that determines the time of the world.

Everyone, please have a good new year.

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.

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

I analyze data using a spreadsheet software.