EXHIBIT 23.5 Consent of Independent Accountants ---------------------------------- We hereby consent to the incorporation by reference in the Registration Statements on Form S-8 (File Nos. 333-01297, 333-01299, 33-52044, 33-89528, and 33-61485) of Parametric Technology Corporation and its subsidiaries of our report dated October 19, 1995, except as to Notes F and G which are dated November 17, 1995, appearing in this Form 10-K. We also consent to the incorporation by reference of our report on the Financial Statement Schedule, which appears in this Form 10-K. /S/ PRICE WATERHOUSE LLP PRICE WATERHOUSE LLP Boston, Massachusetts December 19, 1996