It helps engineers to design, analyse and also solve design issues resulting in accurate designs. AutoCAD is a graphic design tool. AutoCAD has innate features that enable users to plan and map out spaces and take advantage of the space available.
Google Sketchup is a computer program that enables you to create 2D drawings and 3D models of your designs for realistic. Sketchup Design is used in a wide range of domains such as architectural, interior design, civil engineering.
E-tabs is a structural analysis and design software used by civil engineers. It can be used to design civil engineering structures mainly buildings. To make the task easier with more complex calculation, and in this case the task happens to be structural analysis and design.