20021201
8-2-16
Drawing Figures
u To construct a tangent to a curve through a specified point
(1) Draw a curve, such as an ellipse.
(2) Tap [Draw], [Construct], and then [Tangent to Curve].
• This highlights the tangent to a curve button on the toolbar.
(3) Tap the point of tangency on the curve.
• This draws the tangent.
u To translate a line segment by inputting a vector
(1) Draw a line segment (AB), and then select it.
(2) Tap [Draw], [Construct], and then [Translation].
• This displays the Translation dialog box.
(3) Enter the vector for the translation.
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