How to use
Enter values for the coordinates x1, y1, and z1 (for the point P) and x2, y2, and z2 (for the point Q) into the corresponding text input fields.

 Example: P=(1,-2,2), Q=(3,2,4)

Click the "Graph" button (this button also refreshes the graph).

To erase the graph and all input fields, click the "Clear" button.


Examples
P=(1,-2,2), Q=(3,2,4)
 Points only    Include line segment
 Include vector
Other Notes
The point P and its coordinate box are drawn in blue. The point Q and its coordinate box are drawn in green. The line segment between P and Q and the vector from P to Q are drawn in red.