Engineering calculation software

Mathcad Prime 2.0 simplifies engineering calculation documentation by combining equations, text, and graphics in a easy-to-read format, making it simple to perform, documents, and share calculations and design work. The software provides access to over 600 built-in engineering calculation functions so users can display, manipulate, analyze and plot data with full units support throughout the application. Other key capabilities include: Manipulate, analyze, and plot data with full units support and track complex calculations for verification and validation. There are no difficult programming language or syntax to learn. Download a free full commercial version of Mathcad Prime 2.0 for 30 days. PTC, 140 Kendrick St., Needham, Mass., www.ptc.com