While no longer sold directly, there are still a few official ways to obtain the software:
A free, lightweight alternative that feels very similar to the old Mathcad interface. ptc mathcad 15 download
: Since early 2022, PTC no longer sells or distributes Mathcad 15 or versions of Mathcad Prime earlier than Prime 7. While no longer sold directly, there are still
PTC Mathcad 15 offers several benefits, including: While no longer sold directly
After the trial ends, the software typically reverts to "Express" mode—a free, lighter version that includes core math notation and unit management.