Rounding Numbers Demo

This example demonstrates the process of rounding numbers and displaying the results. It involves core mathematical concepts such as numerical processing, approximation calculations, and inequality representation. Key GeoGebra commands and objects used include Point, Segment, Sequence; objects like f, A, dp, text1-5, button1-2, a, lb, ub, g, m, text6, B, xmax, xmin, and list1. It is suitable for middle school students and above learning numerical handling methods or for mathematical teaching demonstrations.