Numerical analysis is a branch of mathematics that studies techniques and theories for solving mathematical problems numerically.

This lake is filled with fresh water.

I'm planning to buy a new desktop computer.

He called that country the axis of evil.

His actions were beyond our speculation.

We must not forget the horror of nuclear and hydrogen bombs.

I bought a new bathing suit.

My hobby is breeding saltwater fish.

I forgot my swimming trunks and couldn't swim.

His standard of living has improved significantly.