EXHIBIT 15


April 19, 2000



Securities and Exchange Commission
450 Fifth Street, N.W.
Washington, D.C. 20549

RE:  ANSYS, Inc. and Subsidiaries

     1.   Form S-8 (Registration No. 333-8613) 1996 Stock Option
            and Grant Plan Employee Stock Purchase Plan


Ladies & Gentlemen:

We are aware that our report dated April 19, 2000 on our review of the interim
financial information of ANSYS, Inc. and Subsidiaries for the three-month period
ended March 31, 2000 and included in the Company's quarterly report on Form 10-Q
for the quarter then ended is incorporated by reference in the registration
statement referred to above.


Very truly yours,

/s/ PricewaterhouseCoopers LLP
- ------------------------------