copper.hat
  • Member for 4 years
  • Last seen more than a month ago
  • Albany, CA
This user has no recent positive reputation changes
This user has not participated in any tags
Mathematics 157,245 rep 8 gold badges84 silver badges217 bronze badges
Electrical Engineering 817 rep 6 silver badges14 bronze badges
Aviation 483 rep 5 silver badges11 bronze badges
Travel 453 rep 6 silver badges10 bronze badges
Mathematics Educators 303 rep 3 silver badges9 bronze badges

Votes cast (4)

all time   by type  
4 up 1 question
0 down 3 answer