For mobile, landscape view is recommended.
The PRC Correction Calculator is a graphical user interface which was developed in MATLAB. In order to run on computers without MATLAB, it needs a MATLAB library called MATLAB Compiler Runtime (MCR) which is available free of charge on the Mathworks website (MCR can be found at: http://www.mathworks.com/products/compiler/mcr/)
Calculator Software for Mac Users:
Calculator Software for Windows Users: