Alcohol And Calculus Sweatshirtn A fantastic, geeky sweatshirt with "Alcohol And Calculus Don't Drink And Derive" printed on the front of a unisex sweatshirt. This geekyn sweatshirt makes a great gift, perfect for any occasion. nComfortable and cosy, this sweatshirt is lovely and warm for those cold months. All of our garments are designed and…