Equations That Changed the World Shoulder Tote

$ 24.95

Show off your mathematical prowess with this shoulder tote that celebrates some of the great equations that changed the world. Use it to carry your TI-89, a notebook for impromptu proofs, your favorite math text and a draft of your dissertation.

Width 18"
Height 14.5"
Gusset 5"
Straps 11"
Material 100% Recycled canvas, 10 oz, double layer
Care Machine wash cold, Tumble dry low
Feature Reversible – patterned / solid color with pocket


Recycled canvas is made with textile waste cuttings that are otherwise discarded as trash. Instead of filling up the landfill, these cuttings are collected and spun into yarn that is then woven into fabric that can be used again. You may notice some irregularities in the material, this is natural in recycled canvas, since the collected material varies in content.
This Lecture Series Shoulder Tote is ready for all of your adventures. It’s fully reversible, so you’ve got options. Solid color on one side, printed on the other. Two bags in one. Wear the design on the outside, declaring your passion to the world, or flip it around for a quieter look. It’s built in the perfect proportions for a carry-all, so you can keep all the things you need inside the all the things you love. The zipper pocket on the solid side will keep your smaller things safe, and the shoulder straps are perfectly sized for over the shoulder or in-hand carry. Wear it on your next lecture, to the lab, or out in the field.
Customer Reviews
5.0 Based on 6 Reviews
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Katherine D.
United States United States

Tote Bag

I love my bag! It’s made with canvas, my favorite fabric. The seams are sturdy, double sided and it has an inside pocket. I’ve gotten many compliments on it.

Brenda M.
United States United States

5 stars

I love this tote! It was a present for a friend who was a math major. She loved it!

Molly R.
United States United States

Perfect Gift

I gave this gift to a friend who is a math teacher. She absolutely loves it for carrying stuff back and forth to school. You can tell the tote was well made with good materials and fabric. The equations are printed nicely and very legible. Now I'm thinking of purchasing one for myself!

United States United States

Thrilled geeks with a bit of style

We are really thankful to have found this brand. My wife is a former math teacher and loves her canvas bag. I have thoroughly enjoyed my constellation whiskey glasses and we have already forwarded the store link to friends who are excited about making some purchases.

Cognitive Surplus Equations That Changed the World Shoulder Tote Review
United States United States

Gift for math teacher colleague

My colleague loved this for a going away gift. I coupled it with one of CS's math-themed journals for jotting down ideas. Went over very well. The kinds of gifts l'd love for myself!

Mary F.
United States United States

Shoulder Tote that Changed the World

It arrived promptly and in good shape. It will be a Christmas gift for a friend, and I expect the friend will love it.

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