what does 31/2 digits mean?

I know it's a dumb question. But I see meters with 31/2, 41/2 and even

43/4 digits displays. So what is the 1/2 digit? Thank You, Eric R Snow, Feeling dumb, but wanting to know

Thank You Chris. ERS

No need to feel dumb, good question.

3 1/2 digits :

| [] [] [] | [] [] []

three full digits plus one digit that can only be

0 (digit off) or 1:

range 0 to 1999

see

formatting link

4 3/4 digits :

] [] [] [] [] [] [] [] [] []

four full digits plus one digit that can only range from 0 (digit off) to 3:

range 0 to 39999

see

formatting link

Chris