The way I would put this is that it's important to be familiar with calculus, to know that it exists and have a sense of where it tends to pop up. From that fam

The way I would put this is that it's important to be familiar with calculus, to know that it exists and have a sense of where it tends to pop up. From that familiarity, you can look up the details on demand. But being entirely unaware of the techniques of calculus would probably be hindrance.