He must be on vacation currently. Send me a personnal message with your e-mail adress (or send a mail directly to gauthier.nottret@edu.esiee.fr), I will send you the calculator.
On North and South views, something looks weird to me (see attached picture).
By the way, your coach is aligned for current versions of pak128 but you will have to lower it by 4 pixels for the next release of pak128.