Who's game for free software? Not surprisingly, PTC is betting a lot of engineers are. In what seems to be a quiet and behind-the-scenes move, PTC released something called Mathcad Express, a free, ...

Mathcad Express, including the full capabilities of mathematical software Mathcad Prime 2.0, is free for a 30-day trial. After the trial period ends, users may continue to use the limited features of ...