Please read this Agreement first.  By opening the software package or using
the software delivered herewith, you indicate your agreement with the terms
and conditions of this Agreement.

PERSONAL CAD/CAM SOFTWARE LICENSE AGREEMENT

This license agreement ("Agreement") is between Computervision Corporation, a
subsidiary of Prime Computer, Inc., 100 Crosby Drive, Bedford, Massachusetts
01730 ("CV") and the customer, (individual or entity), that has procured the 
Licensed Program for use as an end user ("Customer").  This Agreement covers 
any computer software program(s) in CV's Personal CAD/CAM product line 
delivered herewith ("Licensed Program"), and supporting documentation
("Documentation"),  to be used on a compatible desk-top computer owned or
leased by Customer and equipped with a CV authorized security device
("Security Device"), when such Security Device is required by CV.


1. LICENSE. CV hereby grants Customer and Customer hereby accepts a
non-exclusive, non-transferable license to use each Licensed Program for which
a single unit license fee is paid solely on or through a single desk-top 
computer owned or leased by Customer, and equipped with a Security Device when
such Security Device is required by CV.  Such use shall be made only by a
single user at a time.  Such use is permitted on a single computer located on
a network or operating with a file server provided that such use conforms to
the preceding requirements.  Customer may transfer a Licensed Program from one
computer to another, only with the transfer of the associated Security Device
when such Security Device is required by CV, and with elimination of all copies
and use of such Licensed Program from the computer from which such transfer is
made (except, in the case of a network, a storage copy may be retained on a
storage device on the network to use in transferring the Licensed Program from
one computer to another).

o       Customer shall not rent, lease, sublicense, transfer, convey or assign
	any Licensed Program or Security Device to any third party without the
	written consent of CV.  Customer may copy Licensed Program only as
	necessary for use on a single computer or related back-up and not
	otherwise.  Customer may not copy Documentation.

o       Customer shall not modify, translate, disassemble, reverse engineer or
	decompile any Licensed Program or create a derivative work based on a
	Licensed Program.

o       CV retains all rights not expressly granted.


2. TITLE; PROTECTION OF LICENSED PROGRAM. Title and all rights of ownership in
and to each Licensed Program and copy thereof and each Security Device, when
such Security Device is supplied by CV, shall remain in CV or its third party
licensor.  Customer agrees to take appropriate action with its employees or
other persons permitted access to the Licensed Program to prevent use of the
Licensed Program other than as permitted under this Agreement.


3. TERMINATION. Customer may terminate this Agreement by destroying all copies
of the Licensed Program.  This Agreement or the license granted hereunder may
be terminated by CV if Customer fails to comply with any of the terms and 
conditions of this Agreement.  This Agreement shall remain in force until such 
termination.  Upon termination, Customer shall cease using and return or
destroy any Licensed Program as CV may direct.


4. WARRANTY AND DISCLAIMER. CV warrants that, upon delivery, each Licensed 
Program, if properly used on a compatible computer, substantially conforms to 
the specifications in its associated user Documentation from CV.  Customer's
exclusive remedy and CV's sole obligation under this warranty shall be for CV
to use reasonable efforts to remedy any failure to so conform to such
specifications which is reported to CV in writing within the ninety (90) day 
period commencing upon delivery to Customer, as documented by Customer, or at
CV's sole election, to refund the lesser of the license fee paid by Customer
for the Licensed Program or CV's suggested list price for the Licensed Program
at the time of Customer's order and to terminate this Agreement.  In addition,
for a period of ninety (90) days from the purchase date of the Licensed
Program, CV will repair or replace any defective diskette on which the
Licensed Program is supplied. 



CV MAKES NO OTHER WARRANTIES, EXPRESS OR IMPLIED, WITH REGARD TO ANY LICENSED 
PROGRAM, DOCUMENTATION, OR SECURITY DEVICE INCLUDING WITHOUT LIMITATION ANY 
IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.  CV 
makes no warranty that the Licensed Program or Documentation is error-free or
that CV will be able to rectify any problem encountered by Customer in the
Licensed Program or Documentation.  Licensed Program has been developed and
tested by CV for use with certain compatible computers which it shall identify
on request, and attempted use on other computers may significantly impair or
prevent operation of the Licensed Program and CV makes no warranty with respect
thereto.  


5. LIMITATION OF LIABILITY.  CV's liability for damages shall not exceed the
charges paid by Customer for the Licensed Program and Documentation.  CV shall
not be liable for any lost profits, lost data, lost use, substitute programs,
or any claim or demand against Customer by any other party.  IN NO EVENT SHALL
CV OR ITS RESELLER BE LIABLE FOR SPECIAL, INDIRECT, INCIDENTAL OR CONSEQUENTIAL
DAMAGES, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.


6. COMPLIANCE WITH EXPORT LAWS. Customer shall be responsible for complying
with all laws of the United States controlling the export of the Licensed
Program by Customer.


7. U.S. GOVERNMENT RESTRICTED RIGHTS.  The Licensed Program and Documentation
are provided with RESTRICTED RIGHTS.  Use, duplication, or disclosure by the
Government is subject to restrictions as set forth in subparagraph (c)(1)(ii)
of The Rights in Technical Data and Computer Software clause at DFARS
252.227-7013 or subparagraphs (c)(1) and (2) of the Commercial Computer
Software-Restricted Rights Clause at 48 CFR 52.227-19, as applicable.
Contractor/manufacturer is Computervision Corporation, 100 Crosby Drive,
Bedford, MA  01730.


8. GENERAL. The provisions of the Agreement shall control over the terms of any
purchase order or other writing issued by Customer or on its behalf or other
communication between Customer and CV, or of any agreement or communication
between Customer and CV's reseller.  Use of the Licensed Program or opening the 
software package by Customer shall be deemed conclusive evidence of Customer's
agreement with the terms of this Agreement.  No modification of this Agreement
shall be valid unless executed by an authorized representative of CV.  This
Agreement supersedes all prior agreements and understanding between the parties 
related to the subject matter hereof and is intended by the parties as the
complete and exclusive statement of the terms of their agreement.  This
Agreement shall be governed by the laws of the Commonwealth of Massachusetts.


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