An elementary function is one of the basic functions in mathematics.

Algebraic functions are a part of mathematics, and understanding them is important.

My scientific calculator can perform very advanced calculations.

He is good at solving trigonometry problems.

He solved complex mathematical problems using his new calculator.

In linear algebra, triangular matrices play a very important role.

There is a complex love triangle between them.

He is good at solving problems of trigonometric functions.

He trains his deltoid muscles at the gym every day.

I am working using a spreadsheet software.