on Fri MAJORITY of calculators = useless.
ADVANCED calc., EW, etc.
w/exception of FIB -- 261.8% -- that's about it
but MANY A TIMES w/GAP UPS/down these too ALSO useless!!! 
why I keep saying LEARN HOW2 √ #s/price
hard to explain cause MAJORITY follow news INSTEAD OF PRICE
$SPX https://t.co/iJDveQ6jKa