The steepest descent method is one way to solve optimization problems.

Based on the Air Pollution Control Law, factories must strengthen the management of exhaust gases.

The Riemann sum is a method for approximately calculating the integral of a function.

The motto of this team is 'one for all, all for one'.

There is a proverb that says, 'Plan your day in the morning and your year on New Year's Day,' which means that you should plan your day in the morning and your year on New Year's Day.

He likes to read The Arabian Nights.

The thirty-first day is my birthday.

We have our wedding on the twenty-first day of the month.

It's difficult to memorize the Hyakunin Isshu.

I like memorizing the Hyakunin Isshu.