8 reputation
3
bio website
location
age 26
visits member for 1 year, 5 months
seen Dec 6 '13 at 15:50

Nov
9
comment What do you call $-f(x)$
good point, I edited the post
Nov
8
comment What do you call $-f(x)$
hi tota, thanks for your input. My question is actually, how do you call -f?