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                                                                     EXHIBIT 3.1


                          CERTIFICATE OF INCORPOARTION

                                       OF

                         NEURAL APPLICATIONS CORPORATION

                                     * * * *


         1.       The name of the corporation is

                         NEURAL APPLICATIONS CORPORATION

         2        The address of its registered office in the State of Delaware
is Corporation Trust Center, 1209 Orange Street, in the City of Wilmington,
County of New Castle. The name of its registered agent at such address is The
Corporation Trust Company.

         3.       The nature of the business or purposes to be conducted or
         promoted is to engage in any lawful act or activity for which
         corporations may be organized under the General Corporation Law of
         Delaware.

         4.       The total number of shares of stock, which the corporation
         shall have authority to issue, is One Million (1,000,000) and the par
         value of each of such shares is one Dollar ($1.00) amounting in the
         aggregate to One million ($1,000,000).

         5.       The name and mailing address of each incorporator is as
         follows:



                  NAME                               MAILING ADDRESS
                  ----                               ---------------
                                                
                  M. C. Kinnamon                     1209 Orange Street
                                                     Wilmington, DE 19801

                  T. L. Ford                         1209 Orange Street
                                                     Wilmington, DE 19801

                  R. L. Parsons                      1209 Wilmington Street
                                                     Wilmington, DE  19801



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         6.       The corporation is to have perpetual existence.

         7.       In furtherance and not in limitation of the powers conferred
         by statute, the board of directors is expressly authorized to make,
         alter, or repeal the by-laws of the corporation.

         8.       The corporation reserves the right to amend, alter, change or
         repeal any provisions contained in this certificate of Incorporation,
         in the manner now or hereafter prescribed by statue, and all rights
         conferred upon stockholders herein are granted subject to this
         reservation.

         9.       A director of the corporation shall not be personally liable
         to the corporation or its stockholders for monetary damages for breach
         of fiduciary duty as a director except for (i) for any breach of the
         director's duty or loyalty to the corporation or its stockholders, (ii)
         for acts or omission not in good faith or which involve intentional
         misconduct or a knowing violation of law, (ii) under Section 174 of the
         Delaware General Corporation Law, or (iv) for any transaction from
         which the director derived any improper personal benefit.

                  WE, THE UNDERSIGNED, being each of the incorporators
         hereinbefore named, for the purposes of forming a corporation pursuant
         to the General Corporation Law of the State of Delaware, do make this
         certificate, hereby declaring and certifying that this is our act and
         deed and the facts herein stated are true, and accordingly have
         hereunto set our hands this 1st day of February 1993.



                                             -----------------------------------
                                             M. C. Kinnamon



                                             -----------------------------------
                                             T. L. Ford



                                             -----------------------------------
                                             R. L. Parsons