Under a hyperreal microscope, the curve becomes perfectly straight.
dx and dy are non-zero, concrete numbers forming a fraction.
Evaluating the secant line as h approaches 0.
The limit is a process, and dy/dx is treated as notation, not a fraction.
©2026 Chris Athanas
Link to source code:
https://github.com/realityexpander/Calculus_Infinitesimals_vs_Limit/