Engineering Equation Solver - EES (pronounced 'ease') is a general equation-solving program that can numerically solve...
CALCONIC_ - Build & add interactive calculators to your website! Choose from more than 50 premade calculators or build your own from scratch. No coding required. Free plan available. Zapier Integration. Publish Anywhere.
Aspen Plus - Maximize profits using a plant-wide simulation solution that combines unparalleled accuracy and engineering collaboration with time-saving workflows.
ConvertCalculator - Create powerful, beautiful Calculator forms
PTC Mathcad - PTC Mathcad PTC Mathcad is Engineering Math Software That Allows You to Perform, Analyze, and Share Your Most Vital Calculations.
uCalc - uCalc is a universal builder of forms and calculators.