When the fire alarm blared, the crowd made a pell-mell exit, knocking over chairs in their hurry.

Books, papers, and boxes were piled pell-mell in every corner of the abandoned office.

They revived the old sport of pell-mell in the village square each summer.

Pell's equation often appears when studying continued fractions and fundamental units in real quadratic fields.

Many number theorists study Pell-Fermat equations to understand the interplay between quadratic forms and Diophantine approximations.

At the conference, the mathematician presented a new algorithm for computing fundamental solutions of the Pell-Fermat equation.

Pelland is engraved on the old family crest above the shield.

The Pellands organized a reunion in the town square every summer.

On our hike, we found a patch of pellamountain growing between the rocks, and its tiny purple flowers filled the air with a sweet, herbal scent.

Pellard donated his grandfather's watch to the local museum.