Postfix notation is one method of expressing calculations.

The Kokin Wakashū is the second collection of the Chokusen Wakashū.

Tokudaiji Sanesada, also known as Goto Tokudaiji Sadaijin, was a court noble and a literary person during the Heian period.

He is doing special exercises to strengthen his tibialis posterior muscle.

Strengthening the occipitalis muscle can reduce neck pain.

An abnormality was found in his occipital lobe.

Each class conducts lessons in their respective classrooms.

The center of that table is sunken.

He boxed his younger brother's ears for his mischief.

In physics, the study of the 'nucleus' at the center of an atom is important.