Texas Instruments PLUS TI-89 - Manual (Page 325)

308 Chapter 17: Programming
17PROGRM.DOC TI-89/TI-92 Plus: Programming (English) Susan Gullord Revised: 02/23/01 1:14 PM Printed: 02/23/01 2:18 PM Page 308 of 40
Command Description
Circle or
PxlCrcl Draws, erases, or inverts a circle with a specified
center and radius.
DrawSlp Draws a line with a specified slope through a
specified point.
Line or
PxlLine Draws, erases, or inverts a line between two sets of
coordinates.
LineHorz or
PxlHorz Draws, erases, or inverts a horizontal line at a
specified row coordinate.
LineTan Draws a tangent line for a specified expression at a
specified point. (This draws the tangent line only,
not the expression.)
LineVert or
PxlVert Draws, erases, or inverts a vertical line at a
specified column coordinate.
Command Description
DrawFunc Draws a specified expression.
DrawInv Draws the inverse of a specified expression.
DrawParm Draws a parametric equation using specified
expressions as its
x and y components.
DrawPol Draws a specified polar expression.
DrwCtour Draws contours in 3D graphing mode.
Shade Draws two expressions and shades the areas where
expression1
< expression2.
Drawing Lines and
Circles
Drawing
Expressions