Make a custom calculator to predict exam marks

I need someone to make a calculator that customers can use on my website. The calculator will pooretict an "ATAR" for a student, in Australia, ATAR is used to get into university, its a number between 0 and 99.95. An expert in this field can complete this task within 2 days easily. To learn more about the background as to what the ATAR is, please go to this link, read and watch the video at the bottom: [login to view URL] How it will work: Students select the subjects they are studying Input their marks for that subject Calculator will give an "ATAR". Its an fairly simple task, the following websites have this calculator on their website already: [login to view URL] [login to view URL] [login to view URL] I would like you to develop this for my website. The data to make the calcultions are found here, on pages 35-39: [login to view URL] You are to make this calculator, show me it works, and then install the user interface onto my website for customers to use. This project is for the entire project, from beginning to end, so bid accordingly. You also agree to provide an update by sending us the work you have done thus far every 12 hours.