'If outside of the top tree(3)'

that's... a lot of drivers. #Maths #MathsGeek

Looking for a gift for a mathematician? You've found it!!!

#mathschat #mathchat #mathsgeek #mathgenius #geometry #geometric #giftsformathematicians

Doing this Higher Maths question was the highlight of my working day today. So good! #iteachmaths #mathsgeek

Try again: 2 #mathgeek (mathgeek mathsgeek, tomato tomayto)