I have 33 years of experience in civil engineering field, I have worked in Highway projects , Building & Bridge construction projects, I can develop civil engineering apps for iPad , iphone , etc . I have developed an application for calculation of quantities in formation of roads, providing PCC over existing asphalt surfaces in auto lisp , Excel. I can develop Other apps using Xcode , I will be retaining by the end of this month, so I can work full time in this field.