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Full Product Description

Show off your love of math with this comfortable, eye-catching tee. The design features the phrase “Math Is My Happy Place” arched around a classic smiley face—except the eyes are TI-84 Evo calculators, each with the Texas Instruments logo on the screen.

The entire graphic is printed in a reflective foil that shifts and catches the light, giving the shirt a fun holographic look that stands out in photos and in person.

Fabric & Fit

  • 50% cotton / 50% polyester blend for a soft, breathable feel with good durability
  • Classic crew-neck t-shirt

Design Details

  • “Math Is My Happy Place” text in an arched layout
  • Smiley face with TI-84 Evo calculators as the eyes
  • Texas Instruments logo visible on each calculator screen
  • Reflective foil print that shines and changes with the light

A great everyday shirt for students, teachers, math teams, or anyone who finds joy in numbers and graphing calculators. Comfortable enough for class, testing days, or casual wear.

Words from our fantastic customers.

Still not convinced? Check out our reviews!

Amy S.

High School Math Teacher

I have ordered calculators from Underwood Distributing for so many years that I have last track of the time. They are always quick to answer my emails and they get the product I need shipped out asap! 10/10

Mandee P.

Middle School Math Teacher

I teach middle school and wanted reliable calculators, at a good priced, and in a distinct color so everyone knows who they belong to. They were well-packed and arrived quickly! I am so pleased with my purchase and will keep this company in mind for future needs.

Math Teacher

Fort Zumwalt School District

My current order of graphing calculators was placed and ordered so quickly. Underwood Distributing Company made this process easy and I appreciate the timeliness along with the great price.

Underwood Distributing Co.

Discover more in our FAQs

How do I cancel or edit an order?

Because orders are processed and shipped within 0–2 business days, it's important to reach out to us as quickly as possible if you need to cancel or make a change. The best way to do this is to contact us directly:

Please include your order number and the change or cancellation you need. We're a small, flexible business and will do everything we can to accommodate your request before your order ships. Once an order has shipped, it cannot be cancelled, and you would need to follow our standard return process instead.