I fondly remember seeing the integral symbol and having no idea what it meant, and no internet to check. I remember thinking to myself “This must be important i

I fondly remember seeing the integral symbol and having no idea what it meant, and no internet to check. I remember thinking to myself “This must be important if it’s in this book” and just memorising without understanding. I still write x^(p/q)==q//(x^p) as my goto graffiti!