Here is how to use Scientific Notebook to create the Conic Section annimation.
- In Mathematics Mode type the expression
and choose Compute > Plot 3D Animated > Rectangular.
- Type the expression
and drag it to the plot frame.
- Click the plot frame and choose Edit > Properties > Items Plotted.
- Item 1, Variables and Intervals, set
,
,
.
- Item 2, Variables and Intervals, set
,
. Edit the colors to be transparent.