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PolyRoot computes all the roots for any polynomial up to 100th order.  The polynomial coefficients and roots may be real or complex.  The roots are computed using Laguerre's method.  The polynomial coefficients can be read from an input file, and the computed roots can be written to an output file.  The file options and the online documentation are accessible from the right mouse button context menu. 

PolyRoot ActiveX Control

File size is 204 KB which might take a few minutes to download depending on your internet connection speed.  Please be patient...

WinXP SP2 Security Issues:

1) If this applet fails to load then you may need to change your internet security settings to allow dowloading of signed ActiveX controls.  From IE menu go to Tools-->Internet Options--> Security-->Custom Level->Download Signed ActiveX Controls.  Set this option to enable or prompt. 

2) If you get a warning screen or warning bar across the top or your browser window, you must respond affirmatively to run the applet. 

3) If you have any problems please let me know via email