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Plane Graphic Calculator



A Java 1.0 calculator that can plot the graph of mathematical functions; it also supports complex numbers, vectors, and parametrically-defined functions.

Author's Notes:

  • Hold down the left mouse button on point a or b, and move it around. The point f represents the sum a+b. The three points represent either complex numbers or vectors.
  • If you keep both a and b on the horizontal x axis, you'll see that a+b works just like it does for real numbers on the number line. That's true for most of the calculator's functions.
  • Click the box labeled Function to select another built-in function.
  • In the box at the bottom left, type 2x+1, then hit the Enter key.
  • In the box at the bottom right, type sin x, then hit the Enter key.
  • Hold down the right mouse button anywhere on the graph and move it around.
  • Click the box labeled Function and scroll it down to select some more examples of user-defined functions.

How To Use:

  • Download PGC-1.0.zip (127 KB)
  • Unzip with a compression utility.

    Java Source: unavailable

    Sample HTML Source:

     <applet code="PGC.class"
     	archive="PGC.jar"
    	width=560
    	height=440>
      <param name=launch_button value="">
      <param name=launch_size value="">
      <param name=control_panel value=1>
      <param name=graph_border value=1>
      <param name=background_image value="">
      <param name=builtin_functions value=1>
      <param name=builtin_examples value=1>
      <param name=center value="(0,0)">
      <param name=zoom value=80>
      <param name=line value=1>
      <param name=plot value=0>
      <param name=spin value=0>
      <param name=active value="a">
      <param name=t_minimum value=-10.0>
      <param name=t_maximum value=10.0>
      <param name=t_count value=200>
      <param name=a value="(1,1)">
      <param name=b value="(1.125,-0.25)">
      <param name=c value="(-0.5,-1.0)">
      <param name=d value="(-0.25,0.5)">
      <param name=f value="">
      <param name=g value="">
      <param name=h value="">
      <param name=k value="">
      <param name=m value="">
      <param name=n value="">
      </applet>
    

    Status: Free

    Author: J Lillge

    Homepage: http://www.accesscom.com/~lillge/pgc

    Upload Date: August 1, 2000

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