: The developers explicitly state that this measure is to protect the "considerable amount invested" in the software. They frame the extra step of entering the code not as a hurdle, but as a shield for the user's investment, ensuring that only those who support the development can access the full breadth of the calculation engine.
In Excel, go to the "Settings" sheet of any MITCalc module and find the authorization area. authorization code for mitcalc
(a massive suite of mechanical and technical calculations for Excel) openly admit in their official documentation : The developers explicitly state that this measure
To get a valid authorization code, you must purchase a license through official channels. MITCalc offers several licensing models to suit different professional needs: authorization code for mitcalc