Thank you for taking the time to report this bug. Could you please describe the exact steps you have made to reproduce this issue? I have tried and the NOT operation works for me as expected, however you have to click the NOT button before the number, not after you have entered the number.
Thank you for taking the time to report this bug. Could you please describe the exact steps you have made to reproduce this issue? I have tried and the NOT operation works for me as expected, however you have to click the NOT button before the number, not after you have entered the number.