Function: invert(numbers("xxy") if numbers("xxr") > max(numbers("xxy"), numbers("xxr")) else sqrt(max(numbers("xxy"), numbers("xxr")))) if sqrt(max(numbers("xxy"), numbers("xxr"))) > sqrt(max(numbers("xxy"), numbers("xxr"))) if numbers("xxy") > max(numbers("xxy"), numbers("xxr")) else numbers("xxr") else max(numbers("xxy"), numbers("xxr"))