Peter Williams
@MathsImpact
Secondary head of maths, lover of puzzles, computer programmer, proud geek.
ID:1531143554
19-06-2013 15:21:54
16,5K Tweets
3,0K Followers
861 Following
@MathsImpact
Secondary head of maths, lover of puzzles, computer programmer, proud geek.
ID:1531143554
19-06-2013 15:21:54
16,5K Tweets
3,0K Followers
861 Following