Thank you to you too, for you read a such a long post :) Haha, Yeah, I get you. Without physcial significance and all you'd get bored easily. But when you get to see it working, It's just amazing. Maybe I Sound like a geek and all, which I am, but yeah. haha. But the motivation is what counts.
Glad you're doing that, most of us would be like, heh! What's the use of knowing Calculus, if i'm never going to have to use it. But i get that too, the system has to changed, at least in my country.