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There was a similar question before - "Is there a version of Mathcad for Students": https://community.ptc.com/t5/Mathcad-Installation/Is-there-a-version-of-Mathcad-for-Students/m-p/836695
There was a similar question before - "Is there a version of Mathcad for Students": https://community.ptc.com/t5/Mathcad-Installation/Is-there-a-version-of-Mathcad-for-Students/m-p/836695