We attended his memorial service.

I learned how to create formulas in math class.

He created a formula to solve the problem.

The calculation of determinants is an important part of mathematics.

This building adopts the Doric order of ancient Greek architecture.

This building is famous for its Ionic order columns.

This building is famous for its Corinthian columns.

I love Doria-style dishes.

He threw the first ball at the ceremonial first pitch.

The Hepburn romanization is very useful for foreigners learning Japanese.