band pass(2 *(invert(sqrt(min(numbers("per"), numbers("per")))))) if 2 *(invert(sqrt(min(numbers("per"), numbers("per"))))) > invert(sqrt(min(numbers("per"), numbers("per")))) else sqrt(min(numbers("per"), numbers("per")))
Some images will appear differently when resized as some of the functions which generate images are sensitive to the scale. We're working to improve this.