?B?TUc=?= wrote in
:

I need to show in a query the balance
as its
is incremented register by register.

For example the field i need to get is the named balanced. The
transaccions are stored by date and ammount

DATE AMOUNT BALANCE
04/21/2009 10 10
04/21/2009 20 30
10/04/2009 - 5 25
11/04/2009 15 40

I NEED TO WORK WITH THE BALANCE VALUE to find out if it it les or
equal than cero.

If the balances are in C2:C10 then the last non-empty balance can be
computed like this:
=LOOKUP(2,1/(C1:C10<""),C1:C10)

If this formula is in E1, then the question about "zero" can be answered
like this:
=CHOOSE(SIGN(E1)+2,"less than","equal to","greater than")&" zero."

Modify to suit.