Numerical Technologies, Inc. was a San Jose, California, USA based EDA public (NASDAQ: NMTC) company. The company is primarily known for its IP portfolio, software tools and services covering alternating Phase Shift Mask (alt-PSM) Technology providing sub-wavelength design to manufacturing solutions. On March 3, 2003 it was acquired by Synopsys.
Mergers and acquisitions
- January 10, 2000: acquired Transcription Enterprises, Inc. primarily known for its CATS software for mask data preparation, 
- October 27, 2000: acquired Cadabra Design Automation, Inc. (Cadabra), a provider of automated IC layout cell creation technology used to create the building blocks for standard cell, semi-custom and custom integrated circuits. Purchase price: $99 million