Find distinctive teacher and student gifts (and items for yourself) at the Math Threads online store (with an expanded selection of mathmistakes.info merchandise) - get some great Holiday Gifts! For all designs and styles, visit the Math Threads online store
Shirts, caps, hats, mugs, bags and mousepads featuring the mathmistakes.info logo (above) are available from the Math Threads online store.
Amazing Unit Circle t-shirts are available. They show identities (shirt front) and all six trigonometric functions as lengths (shirt back). These shirts make great gifts. Visit Math Threads online store.Math Threads online store.
Show off your mastery of trigonometry with colorful t-shirts from the Math Threads online store. The front of the shirts have the designs shown above (pink design is a women's t-shirt); the back of each t-shirt shows the correct value of the trigonometric function. Design includes small mathmistakes.info logo.
Common algebra mistakes shirts, mug and mousepad with mathmistakes logo and mistakes from the site (design wrapped around the mug shown above at reduced size) are available from the Math Threads online store. Mistakes are marked in red - figure out the correct algebra and check your answers at mathmistakes.info. I have one of these mugs and it looks fantastic!
Please send any requests for new mathmistakes.info designs or products to the email address comments[at]mathmistakes[dot]info.