演算子・関数 Addition [加算] Subtraction [減算] Multiplication [乗算] Division [除算] Lower [より小さい] Lower Or Equal [より小さいか等しい] Greater [より大きい] Greater Or Equal [より大きいか等しい] Equal [等しい] Not Equal [等しくない] Expression [式] Abs [絶対値] Floor [床関数] Ceil [天井関数] Sqrt [平方根] Negative [負数] Min [最小] Max [最大]