Watch IE 47000 for an open seat Free

5 sections, nothing full yet. Pick one and we'll email you when it starts filling, and again when a seat opens after that.

How IE 47000 is graded

99% of 96 students got an A or B, from Purdue's published grade distributions.

Instructor	Grades given	Students
Cheng, Gary J. 5 sections · last Spring 2026	85% A · 14% B · 0% C · 1% D/F	96

Every instructor's grade history for IE 47000

More IE courses at Purdue

IE 20000 · 1/1 open IE 23000 · 1/1 open IE 29199 · 1/1 open IE 29299 · 1/1 open IE 33000 · 2/2 open IE 33200 · 7/7 open IE 33500 · 2/2 open IE 33600 · 1/1 open IE 34300 · 3/3 open IE 37000 · 1/1 open IE 38300 · 1/1 open IE 38600 · 7/7 open

All 49 IE courses this term · Every subject

Sections and seat counts come from Purdue's public class search, last checked Nov 5; the live picker refreshes them. ClassMaxx is not affiliated with Purdue.