Triangulum is one of the beautiful constellations shining in the autumn night sky.

Traffic cones have been set up due to road construction.

Please throw the leftover food in the triangular sink basket in the kitchen.

An arc discharge occurs when electricity passes through the air.

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

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

This computer is using the latest technology.

In linear algebra, the upper triangular matrix plays a very important role.

A lower triangular matrix is a matrix where all the elements below the main diagonal are zero.

I analyze data using a spreadsheet software.