マルチメモリ電卓

電卓で途中計算を保持しておくために、[M+]や[M-]といったボタンが付いているものがありますが、使い方をよく知らない人も多いはず。
そんな方々に、直感的に使えるマルチメモリ電卓をお勧めします。 In order to hold the intermediate calculation in the calculator, [M +] and [M-], such as there are things that button is attached, should many people do not know well how to use.
To such people, it is recommended a multi-memory calculator intuitive use.