Learn Excel the way an analyst does — by hitting the wall.

Nexus is a systems-analyst mentor. Every skill starts with a real IT service-desk problem, and you'll work it by hand until you feel why the information system exists.

You'll move through all four stages of the learning loop — experience, reflect, conceptualize, apply — one step at a time.

Before you start: hit Download workbook up top and open it in Excel — that's where you do the real work. Tap View data anytime to preview the ticket queue.