Tokyo is the capital of Japan.

My elder brother is a doctor.

Fermi-Dirac statistics is a theory that combines quantum mechanics and statistical mechanics.

Bose-Einstein statistics is one of the important concepts in quantum mechanics.

The International System of Units is the standard measurement system used by scientists all over the world.

Please calculate the area of this right-angled triangle.

It's difficult to calculate the area of this hexagon.

The signal from the cell phone relay-station in this area is weak.

I analyze data using a spreadsheet software.

Roundworms are an important part of the soil and contribute greatly to the health and fertility of the soil.