The thought of a schlock lawyer using calculus is infinitesimally unlikely, but it could happen just like all the air molecules could gather in the corner of a room. You can calculate the odds but I wouldnt worry about it! Catculus
On further investigations into googliani sequences, it appears Madame Krakkers is using a brand new form of maths, one branch of which deals with derivatives and disintegrals. The field is concerned only about the units of gassian politicals and sheckels that collect on the surfaces, under the general heading of galculus gaslighticism.
You never change things by fighting the existing reality. To change something, build a new model that makes the old model obsolete. R. Buckminster Fuller