Thanks for this explaination Lewis
Ray
"Lewis Clark" <lewis_clark_644 @ yahoo.com a écrit dans le message de news:
8xEOe.5357$Hi.951@trnddc04...
The tests in the parentheses return TRUE or FALSE. The "--" makes Excel
turn true/false into 1/0, which allows doing the math.
"Ray" wrote in message
...
Hello Bob
I have just tried this formula and it works fine
Thank you very much.
But I still don't see why you use the "--" in the formula
Thanks in deed
Ray
"Ray" a écrit dans le message de news:
...
Thanks for your answer Bob,
I am going to try this formula right away .
One thing, I don't understand why you used the "--" in the formula.
Could you tell me please ,
Thanks
"Bob Phillips" a écrit dans le
message de news: ...
Ray,
I am not quite sure what you were doing, but is this what you want
=SUMPRODUCT(--(E4:E2337=2);--(E4:E2337<=5);--(D4:D2337="yes"))
--
HTH
RP
(remove nothere from the email address if mailing direct)
"Ray" wrote in message
...
Hello
I try to to use 3 critéria in a formula with the Countif function.
Actually
two of them represent a bracket.
For the calcul of the bracket I found the good result by using :
=countif(E4:E2337;"<=2")-countif(E4:E2337;"<=5")
where I am in trouble is when I try to add the third criterion in my
formula
=countif(D4:D2337;"yes")
I tried those math operators but none of them works +, -, *
Do you have an idea ?
Thanks
Ray