I need to find $y$ in the following formula. I used an online algebraic calculator, but the answer wasn't correct (it omitted the index):
$0.25=1-(\sqrt[r]{|y-v|}×s)$
EDIT
The online calculator gave the following:
$y=v+\dfrac{0.5625}{s^2}$
This doesn't produce correct results, even for r = 2.