FillCD 计算目录组合可以达到最大的光盘使用率。刻录光盘的必备工具。-FillCD Directory portfolio can achieve maximum utilization of optical discs. The burning CDs essential tool.

最大内接圆法计算N个点的最大内接圆继而计算其圆度误差-Calculate the maximum inscribed circle method N points maximum inscribed circle and then calculate its roundness error