He created a formula to solve the problem.

I learned how to create formulas in math class.

It's difficult to solve this formula.

This building is famous for its Ionic order columns.

This building adopts the Doric order of ancient Greek architecture.

This building is famous for its Corinthian columns.

It's difficult to solve this monomial expression.

I attended an awards ceremony yesterday.

The calculation of determinants is an important part of mathematics.

He threw the first ball at the ceremonial first pitch.