©2002, Addison-Wesley. All rights reserved.
buttons under the graph allow various manipulations of
the graph coordinates.
- The text input fields can accept
real numbers in decimal notation.
- Selecting what is drawn:
- Points only: draw the points
with rectangular boxes to indicate coordinates.
- Points and Line Segment: draw P and Q as above,
but also include the line segment between P and Q.
- Points, Line Segment, and Vector:
draw P and Q and the line segment between P and Q
as above, but also include the vector from P to Q, drawn
with its tail at the origin (0,0,0).