Peter Williams
@mathsimpact
Secondary lead practitioner, teacher of maths and computer science, lover of puzzles, spreadsheet fanatic, proud geek.
ID: 1531143554
19-06-2013 15:21:54
17,17K Tweet
3,3K Takipçi
902 Takip Edilen
@mathsimpact
Secondary lead practitioner, teacher of maths and computer science, lover of puzzles, spreadsheet fanatic, proud geek.
ID: 1531143554
19-06-2013 15:21:54
17,17K Tweet
3,3K Takipçi
902 Takip Edilen