関数

1. Origins, structure, and basic meaning

• Structure: 関数(かんすう) is a mathematical function expressing a relationship between quantities.
• Basic usage: It describes representing a relationship between two quantities as a function.
  • 二つの量の関係を関数で表した。

2. Common pitfalls and similar expressions

• Different senses of function
  • In mathematics, function corresponds to 関数. When it means what a machine does or is capable of doing, it generally corresponds to 機能(きのう).