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.

His calculating nature sometimes causes problems.

He yelled at me, looking at me with fury.