If you're looking for a fun gift for someone who both loves maths, and needs to consume liquids in order to survive, you might like the Drinkulator: a glass mug which lets you do calculations using a cubic curve!
mathsgear.co.uk
With the Drinkulator, you can drink and calculate at the same time, or 'drinkulate' as the cool mathematicians are saying. Use your drinking glass to add, multiply, subtract and divide.Th...
