Math - Upside Down Triangle Symbol

"Why do we study the gradient, Master?" his youngest apprentice, Kael, had asked that morning.

"We think we are climbing," Elian whispered to the wind. "We build taller towers, amass greater knowledge, and reach for the stars. We call it progress." Upside Down Triangle Symbol Math

The ink on the parchment was older than the empire, but the symbol at its center looked like a blade pointed directly at the floor. "Why do we study the gradient, Master

He looked at the brass compass in his hand. The needle was trembling violently now, pointing straight down into the shadow of the cone. "Why do we study the gradient