I was pretty famous in college for getting the problems right on exams while I was working symbolically, and right before the final answer failing at integer division or subtraction. Professors/TAs would still give you full credit though, maybe penalize you a point or something.

In a group, you’d usually let the freshest handle splitting the bill because everyone else forgot arithmetic.

Mathematicians make calculations in their errors all the time.

Whoops, switched some words around on accident.

Yeah, of course I agree with that =)