Engineering Equation Solver - EES (pronounced 'ease') is a general equation-solving program that can numerically solve...
Aspen Plus - Maximize profits using a plant-wide simulation solution that combines unparalleled accuracy and engineering collaboration with time-saving workflows.
Valispace - Valispace is a modern browser based tool for complex hardware development that connects data for engineers, efficiently manages requirements and much more.
PTC Mathcad - PTC Mathcad PTC Mathcad is Engineering Math Software That Allows You to Perform, Analyze, and Share Your Most Vital Calculations.
EPLAN Electric P8 - CAE software solution for project planning, documentation and administration of electrotechnical automation projects.
fxSolver - fxSolver is an free online math solver, equation library, graphing calculator and science/engineering problem helper. To get started, add some formulas, fill in any input variables and press "Solve."