logn(minus(numbers("per"), numbers("xxx"))) if numbers("per") > invert(logn(minus(numbers("per"), numbers("xxx")))) else minus(numbers("per"), numbers("xxx")) if invert(logn(minus(numbers("per"), numbers("xxx")))) > minus(numbers("per"), numbers("xxx")) else logn(minus(numbers("per"), numbers("xxx")))
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.