Last Updated：2025/11/20

(arithmetic) an arithmetic notation in which numbers precede the operators to be applied to them.

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reverse Polish notation

Source Word

reverse Polish notation

uncountable

(arithmetic) an arithmetic notation in which numbers precede the operators to be applied to them.

Japanese Meaning

算術における表記法で、演算を行う数値（オペランド）が演算子よりも先に記述される方式。通常、『逆ポーランド記法』と呼ばれ、括弧を用いずに計算の順序を表現できる特徴を持っています。

When programming the calculator, she implemented an evaluator for reverse Polish notation to simplify expression parsing.

電卓をプログラミングする際、彼女は式解析を簡単にするために逆ポーランド記法の評価器を実装した。

Sense（1）

(arithmetic) an arithmetic notation in which numbers precede the operators to be applied to them.

Back in my day, we had reverse Polish notation calculators: You had to write "2 4 3 * +" instead of "2 + 4 * 3".