The conference fee is 80 PLN. (20 EURO). It can be paid via Dotpay till the 10th of June 2014:

https://ssl.dotpay.pl/?pid=VXV4A3C42FPLD5W8559MU315GD2QHBH2

If the conference manages to get sponsors, there might be a possibility of decreasing or nullifying the conference fee for those participants who will not be able to pay it by themselves. Please direct requests for such help (along with justification) to zlot[at]obf.edu.pl*.

*Replace "[at]" with "@".