Generate several “random” numbers in your head, trying to generate them randomly but falling prey to the usual problems of trying to generate them in your head. Then add them together and take them mod X to produce a result that is more like a real random number.
Generate several “random” numbers in your head, trying to generate them randomly but falling prey to the usual problems of trying to generate them in your head. Then add them together and take them mod X to produce a result that is more like a real random number.