2025-07-28 00:00:00 **Features of the App** - Representative cross-sectional shapes are displayed as icons, allowing you to select the desired shape for calculation with just a tap. - Supports 27 types of cross-sectional shapes, including rectangles, circles, I-sections, H-sections, and T-sections. - Cross-sections with any combination of rectangles are also supported. - Cross-sectional information for calculation can be saved.