Here is where we collect useful tools and notes for the class.
Slope field plotter — this is a great tool for plotting an ordinary differential equation and exploring its solutions.
Here is a note I wrote about fences and funnels.
Drawings (ignore the see addendum part):
Two equation ODE system solver:
Two equation ODE system solver
Linear Algebra (including over the complex numbers) and the matrix exponential
How to find solutions from the matrix exponential
