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I downloaded mathcad 15 and its not working well for me. It wont show operators such as */+ example if i type a=2 b=4 a*b, the * on a*b wont show but a*b will be evaluated, the a*b will show as a[]b(box between a and b) same with integral sign
Your symbol font is corrupted. Reinstall it. To do that you must first uninstall the existing symbol font, then reinstall from the attached file.