This program design for user to select what parameter they want to know. The purpose of this program help user to calculate the area and perimeter for square and rectangular also to calculate volume and area for cylinder and sphere base on the input

The ArcGIS Mobile SDK includes a set of Geometry components that you can use to create and update the shape of features, perform spatial selections, and draw graphics on the map display. The geometry components are responsible for handling the shape

SVG中图形元素(graphics element)是可以用来在目标画布上画出图形的元素，包括定义的标准形状，特别是矩形、圆形、椭圆形、直线、折线和多边形等。文章介绍了SVG元素的代码及其含意。SVG元素分为图形元素、容器元素、图形引用元素、文本、SVG文档片断内容。-SVG graphic elements (graphics element) can be used to draw the graphical elements of the canvas on the target, inc