How to use the Isoclines Tool

Setting Initial Conditions

• Click the mouse on the graphing plane to set the initial conditions for a trajectory.

Parameter Slider

• Use the slider to set the value of the constant slope C and reposition the isocline.
• Press the mouse down on the slider knob and drag the mouse left and right, or click the mouse in the slider channel at the desired value for the parameter.

Equations

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

Buttons

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

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