I prefer the form ∫ d x f ( x ) {\displaystyle \int dx\;f(x)} (operator-like) instead of the form ∫ f ( x ) d x {\displaystyle \int f(x)dx} ; both are correct; no need to change it the next time:D --ShinTakezou 20:01, 5 March 2009 (UTC)
