: MITCalc requires VBA support. You must set your Excel macro security to allow embedded VBA applications to run. For modern Excel (2010–2024/365), go to:
To update or renew your authorization code, you must enter the new code into the Authorization dialog , which can be accessed via the "Settings" sheet in the software Authorization Code Update Procedure Locate the Dialog: mitcalc authorization code upd
For direct orders, you can email orders@mitcalc.com; an invoice will be issued, and the code sent upon payment. Open any MITCalc calculation sheet. Navigate to the "Settings" sheet. : MITCalc requires VBA support
Copy and paste (Ctrl+C, Ctrl+V) the new code into the designated box and click . Open any MITCalc calculation sheet
: Your computer's system date must be set correctly for the authorization to process successfully.
: Use the Authorization link found in the MITCalc folder within your Start Menu or the installation directory.
Copy the new 20-25 character alphanumeric code. Open MITCALC, go to License > Enter Authorization Code UPD , paste the code, and click “Activate.”