I'm a permanent staff member and I do actually check "algebra" and integrals when reviewing papers. Especially "technique" papers, because after the initial pa

I'm a permanent staff member and I do actually check "algebra" and integrals when reviewing papers. Especially "technique" papers, because after the initial paper, people tend to make black boxes, so if the initial errors aren't caught then they can propagate for quite some time...I view it as community service.