I climbed the mountain using a compass.

He lost his sense of direction.

He was ordered to be banished from the country.

He respects both opinions.

My younger brother will enter the faculty of law next year.

Please find the square root of this number.

Reverse Polish notation is one method of expressing calculations.

Electromagnetic radiation conveys energy in forms such as light and radio waves.

My four treasures of the study are a fountain pen, a pencil, an eraser, and a ruler.

He is an expert in dialectology, studying dialects from all over Japan.