What did the policeman shout to the math professor as a mob of excited calculus students crowded around these displays on his graphing calculator?

The policeman shouted, "Step away from the calculator, sir! This is not a math problem—it's a safety issue!" He was concerned about the crowd's excitement causing chaos, urging the professor to disperse the students and clear the area. The vibrant enthusiasm of the calculus students had turned the scene into a frenzy, prompting the officer’s intervention.