algebra

代数学、代数

未知の数を文字で表して計算する数学の分野。

やさしい英語で： A type of mathematics that uses letters to stand for unknown numbers.

• We study algebra at school.
• She used algebra to find the missing number.
• Have you finished your algebra homework?

よく使う表現： study algebra, algebra class, algebra homework, elementary algebra

代数

要素の加算、乗算、特定の数体系の数との乗算ができる数学的構造。

やさしい英語で： A mathematical structure whose elements can be added, multiplied, and multiplied by numbers from a chosen system.

• This algebra has a finite basis.
• The mathematician constructed an algebra over a field.
• We compared two algebras with different multiplication rules.

使い方： an algebra over a field/ring (This is an algebra over the real numbers.)

よく使う表現： associative algebra, commutative algebra, algebra over something