Probably a bit harder to invert, as the math formula I’ve used does not seem particularly easy to invert.
But I’ll probably take a look some day 
(not the next week BTW, as I’ll be really busy).
Probably a bit harder to invert, as the math formula I’ve used does not seem particularly easy to invert.
But I’ll probably take a look some day (not the next week BTW, as I’ll be really busy).