On the device, swipe from the top and go to:
Open Settings.
Select Accounts.
Select Add Account.
At the bottom > go to Advanced, and select Microsoft Exchange ActiveSync.
Description - can be anything you want
Domain = nexus
Username is your userid (WatIAM username)
Email Address is your userid@uwaterloo.ca
Password – your WatIAM password
Server Address: connect.uwaterloo.ca
Tap Next > Done.