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You should release Mathcad Prime for TABLETS like (iPadOS and Android) as WolframAlpha and Matlab did. Most people use tablets as a replacement for traditional laptops in schools and at work. And when they need to work seriously, they simply add a keyboard and a mouse (BUT if you consider the stylus influence, everyone is going to be paperless SO you can add a specialized drawing feature to sketch the analisys or simplification of the problem, the drawings that we always use to solve a problem). And if you add the same cloud based workflow as Fusion360 or OneNote did you can have a team working in the same sheet of paper or sharing information in real time. Just imagine that.
Android and iPadOS have now file managers, which means that you can have files organized the same way as you do on a Windows PC. If you launch a full version for iPadOS and Android, you will be the first CAE software leader in all engineering schools because we all start learning by doing manual calculations and then we start using specialized softwares BUT if you have the habit of doing manual calculations from the beginning with Mathcad (as EASY as Mathcad Prime does it and enjoyable) you will prefer to use it when working in a real work environment.
Consider this, most people learn to do manual calculations, BUT it is so tedious that they end up forgetting what they learned. But with Mathcad there will be a fully functional sheet of paper of your own solved problems from the past that you can now use to solve a new problem in your own work. THAT would make Mathcad Prime INDISPENSABLE and IRREPLACEABLE for ANY business because EVERYONE would know how to use it and how valuable it is. I think that everyone would want to calculate anything if they don't have to: use the calculator, be concerned about the units or do it several times (iteration).. JUST THE CONCEPTS.
You can submit a new idea here: https://community.ptc.com/t5/forums/postpage/board-id/PTCMathcadIdeas/search-before-post-mode/true
P.S. You might be interested - SMath Cloud: https://en.smath.com/cloud/