111 reputation
3
bio website boisvert.me.uk
location Sheffield, United Kingdom
age 48
visits member for 2 years, 8 months
seen Nov 20 at 8:35

I teach Database design at Sheffield Hallam University, but I also work on web applications.


Sep
20
comment What are imaginary numbers?
Very clear, and incidentally shows most clearly that multiplication is, after all, repeated addition.
Apr
3
awarded  Supporter
Mar
31
awarded  Teacher
Mar
31
answered Plot $|z - i| + |z + i| = 16$ on the complex plane
Mar
31
awarded  Autobiographer