# record 1: header: parent, keywords
# record 2: calling parameters
# record 3: submit buttons
# record 4: html form content

:geometry, plot, curve, 2D curve, polar curve, polar,
polar coordinates, polar system,
polar curve plot, plot polar curve,
curve 2D, 2D curve, graph, graphing

:module, tool/geometry/animtrace.$search_lang
cmd, new
size, 650x480
type, explicit2D
coord, polar
set_border, 1
set_zeroaxis, 0
set_grid, 0
set_tics, 0
set_transparent, 0
xsize, 300
ysize, 300

:, Plot Polar Curve

:
 $submit1
r = <input name="r1" type="text" size="45" value="1 - sin(t)">
 (t is the polar angle.)
<br>
 Plot range:
 <input size="6" name="tleft" value="0"> &le; t &le;
 <input size="6" name="tright" value="2pi"> ,

 <input size="6" name="xleft"> &le; x &le;
 <input size="6" name="xright"> ,
 &nbsp;
 <input size="6" name="yleft"> &le; y &le;
 <input size="6" name="yright"> .

