可以无误地实现曲线调整，曲线调整算法可以选择，对研究photoshop或光影魔术手的曲线调整功能有很大的帮助！-Curves can be adjusted to achieve correct the curve adjustment algorithm to choose from, the study of light and shadow magic photoshop or hand curve adjustment feature of great help!

在excel中加载后可以方便的进行多项式插值计算-spline interpolation