Tiny, powerful, free mathematical program with WYSIWYG editor and complete units of measurements support.https://en.smath.info/
It provides numerous computing features and rich user interface translated into about 40 different languages. Application also contains integrated mathematical reference book.
SMath Studio is an invaluable tool for engineers of all disciplines. With is visual and intuitive “What You See Is What You Get (WYSIWIG)” user interface, the calculations, formulas and variables are visible on the screen.
SMath Studio is possibly the best freeware replacement for it’s commercial counter part: Mathcad.
Not only can SMath Studio be downloaded as a desktop application, but there are also Android and iOS apps as well as a cloud, browser-based version.
Take SMath Studio for a spin right on your browser following this link: https://en.smath.info/cloud/