I organized the data using a spreadsheet software.

I am majoring in computer science at university.

He solved complex mathematical problems using his new calculator.

His calculating nature sometimes causes problems.

Silicic acid is a major component of glass and ceramics.

Trigonometry is a branch of mathematics that studies the relationship between angles and triangles.

Her smile was shining brightly.

His name is Sansan.

The system of this computer is very complex.

Kei is my best friend.