|  | One can calculate SCIO with it's sophisticated formula or 
                    using SCIO table, but this is time-consuming and not suitable 
                    for practice. 
 To make calculation of SCIO easy, we designed several utilities:
 On this site you may look at SCIO ruler and even see it rotating, 
                    look at the screenshot of the calculator and ask for download 
                    or simply calculate SCIO online. |