>
>SQL doesn't like the 'OR's and 'AND's
<snip>
T-SQL doesn't like '.' (dots) arround them. There's no need to use dots in VFP either.

CASE WHEN (TRANCODE = 'PR') OR (TRANCODE = 'PT' AND TRANQUANT > 0) THEN TRANQUANT
     ELSE 0 END AS Recepit