ExisteUnDelta
existeundelta
\lim_{x \to a}f(x) = l \iff \forall \quad \varepsilon > 0 \quad \exists \quad \delta ( \varepsilon) >0\quad /\quad si \quad 0<|x-a|< \delta \to |f(x)-l|< \vare
Barcelona
Fedor Korotkov
fkorotkov
Typing things at @cirruslabs. Trying to improve work routines of fellow engineers.
@cirruslabs NYC
Charles Pick
phpnode
Founder of @codemix where most of my open source projects live.
codemix York, UK