PTC Mathcad Express is a free engineering math software that provides unlimited access to essential functions for solving, documenting, sharing, and reusing critical calculations.

If you opt for the trial version, the first 30 days of using PTC Mathcad Express will allow you access to all the features of PTC Mathcad, including solving advanced engineering problems with over 400 functions in probability, statistics, and data analysis. Additionally, programming allows you to group a set of calculation operations and return only the results you specify, which can be called and plotted.
With PTC Mathcad Express, you can evaluate expressions and functions without having to assign numerical values to variables. You can control the form and content of the displayed results, integrating numeric and symbolic computation. Furthermore, you can integrate Microsoft Excel functionality seamlessly into your worksheets, leveraging tabular data presentation through Excel's calculation and formatting tools.
The software also offers 3D visualization of data sets and functional models with polar, contour, and surface plots to help you make more informed decisions effectively. Lastly, you can structure your engineering design workflow and establish best practices by leveraging worksheet templates.
Once your 30-day trial period ends, you automatically continue using PTC Mathcad Express for an unlimited time, completely for free. With all these incredible features, PTC Mathcad Express is an excellent software tool for anyone looking for comprehensive engineering math software.
Version 3.1: Engineering Notebook, API, Windows 8.1 support