ENGIEPRO is a mobile application that executes mathematical equations for fluid mechanics calculations where it involves two fluid mechanics calculations which are interconnected to each other. Calculations have a huge impact in the field of fluid mechanics, especially in commercial steel pipe sector as one error could lead to major casualties and for years manual calculations have been implemented in calculating steel pipe burst pressure and liquid velocity in circular pipe. The new and improve mobile technology will help users, not only determine a single calculation but save the time and effort to calculate all integrated calculations which are the most common calculations in fluid mechanics practices. © 2017 American Scientific Publishers All rights reserved.