Calculate your rank in 50 meter dash, assets, etc.
Compare various things in various metrics such as length, weight, and area.
You can see a slideshow where images along various themes are displayed randomly.
投資信託の基準価額の推移予測を予測した結果を公開しています．
音声とフリックだけで画面を見なくても学習できる英単語帳です．