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Per https://support.ptc.com/appserver/auth/it/esd/product.jsp?prodFamily=MCP
the SHA-256 checksums are
Mathcad Prime 8:
9fb7d90f3a631a6f809feb5f0486a778e4569f086d14e8ee18f4f413dc325aa9
Mathcad Prime 7:
01543506087bed31b7e80c957276d08d7ce70bf2c0a6df8b498ad72661a81bc9
Per https://support.ptc.com/appserver/auth/it/esd/product.jsp?prodFamily=MCP
the SHA-256 checksums are
Mathcad Prime 8:
9fb7d90f3a631a6f809feb5f0486a778e4569f086d14e8ee18f4f413dc325aa9
Mathcad Prime 7:
01543506087bed31b7e80c957276d08d7ce70bf2c0a6df8b498ad72661a81bc9