欢迎来到Leo的数学小工具箱 叉乘秒速计算器 Cross Product ++ 设计包含快捷键,计算高效快捷 快速计算物理质心位置 CIV Centroid 快速计算moment of inertia 开始使用 Designed for homework Welcome to Leo HC's Math toolbox Cross Product fastest ++ Include some shortcuts to be faster. Calculate centroid for CIV100 moment of inertia Let's go