The Mortgage Calculator can be found at the link below.
The Mortgage Calculator is also inside your Ramsey+ account. Sign in at ramseyplus.com. Once you're signed in, look in the menu on the left and select "My Money". One of the options there is "Calculators". You can find the Mortgage Calculator there.
If you're on a mobile device, select the profile icon in the upper right corner. On the profile page, select "Member Benefits". This will take you to the web app version where you select the menu icon in the upper left, and then choose "My Money", and "Calculators".