To have your own cool water with you on those hot and humid days, or to carry your daily dose of hot caffeine to work, Beautiful Equations has got you this charming Bayes' Theorem Stainless Steel Water Bottle. Easy to...

Beautiful Equations brings you a great way to keep yourself hydrated with this great Binomial Theorem Stainless Steel Water Bottle - both stylish and easy to carry. Whether to work, school, or gym – you’ll love carrying this beautifully crafted...

Fermat's Last Theorem Water Bottle Treat yourself to this one-of-a-kind water bottle displaying Fermat’s Last Theorem, another exclusive find from Beautiful Equations’ online store. This bottle is made from hardwearing stainless steel and at a roomy 500ml, there’s plenty of...