<PAGE>
[Letterhead of PricewaterhouseCoopers LLP]
Exhibit 16.1
June 28, 2000
Securities and Exchange Commission
450 Fifth Street, N.W.
Washington, D.C. 20549
Commissioners:
We have read the statements made by Innoveda, Inc. (copy attached,), which
we understand will be filed with the Commission, pursuant to Item 4 of Form
8-K, as part of the Company's Form 8-K report dated June 23, 2000. We agree
with the statements concerning our Firm in such Form 8-K.
Very truly yours,
/s/ PricewaterhouseCoopers LLP
PricewaterhouseCoopers LLP
