How to use the Orthogonal Trajectories Tool

Setting Initial Conditions

• Click the mouse on the graphing plane to set the initial conditions for a trajectory and its associated orthogonal trajectory.

Equations

• Click the arrow button to the left of the equation to bring up the list of equations.
• Click on an equation to select it.

Buttons

• [Clear] removes all trajectories from the graph.
• [Draw Field] draws a slope field over the graphing plane.