Different between a few and few
they both are used with countable noun.
-a few has positive meaning. It means a small amount of something,but it is enough.
-Few has negative meaning.it means a small amount of something and it isn't still enough.
-I have a few apples. This means that 2 or 3 apples is enough for me.
- I have few apples. This means that 2 o 3 apples that i have is not still enough,i still need more.