You can change your email address as follows:
- Log in to Numerical Acumen.
- Go to your My Stuff page.
- From there, go to your Profile page.
- Click on Change email address.
You will be prompted to type your new email address.
For security reasons, you will also be prompted to enter your password.
Once you have changed your email address, a "verification" email will be sent to it.
Open this email and click on the link within it to verify your email address.
(You will not be able to receive emails from Numerical Acumen until you have verified your email address).