Someone please explain?

hopscotch
helpwithcode

#1

I was looking through the code of "Ripple Tapper" by MagmaPOP, and I found something weird...

What is this? Someone explain, please?


#2

That looks like a comma, suggesting the value of "twelve and a half".


#3

It's a European way of using decimals apparently


#4

Okay, I get it now! Could've just used 1/2 + 12.