A fully functional parser is built-in	Lots of integral curves
Predefined examples: No hassle w/ singularities	Lots of integral curves: Predator prey example
	Visualizing the nonlinear flow
Zooming for continuity and integrals	The nonlinear flow of the magnetic field
Eigenspaces and eigenvalues of the derivative	Being torn when falling into a black hole
Derivative of a linear object	The linearized flow preserves polygons
Zooming for curl and divergence	Irrotational fluid flow around a cylinder
Derivative of the irrotational magnetic field	Irrotational flow of the magnetic filed
Advanced questions: Winding numbers	Dolphins in a torus flow