His sanity levels decrease every time he plays the game.

This limited edition game is being sold at a premium price.

This data is used as a reference value.

It is difficult to calculate the approximation of this problem.

The one-eyed goblin was dancing in the forest.

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

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.

Finding the Summer Triangle is helpful for remembering constellations.

The Winter Triangle is shining in the night sky.