Get Real Be Rational Pi Imaginary Number Math T-Shirt

The pi symbol and the imaginary number i trade jabs in speech bubbles that read "Get Real!" and "Be Rational!" It is a classic number joke that math people will spot from across the room.

Bring it to class, tutoring sessions, or Pi Day. It is a clever gift for math teachers, algebra fans, students, tutors, and anyone who appreciates a good equation pun.

• Unisex classic crew neck tee. Solid colors are 100% cotton; heather colors are a cotton and polyester blend (Athletic Heather is 90% cotton, 10% polyester).
• Unisex fit, sizes S to 3XL. The size chart is the last product photo.
• Design printed on the front. Made to order in Houston, Texas.
• Care: wash inside out in cold water, tumble dry low, do not bleach.

Orders are printed in our Houston shop, usually within 1–3 business days, and shipped with tracking. If something arrives misprinted or damaged, email us a photo and we'll make it right.

Turn inside out, wash cold with like colors, tumble dry low or hang dry. Don't iron directly on the print.