Function: square(mod(numbers('xry'), numbers("xxr"))) if numbers('xry') > mod(numbers('xry'), numbers("xxr")) else 2 *(square(mod(numbers('xry'), numbers("xxr")))) if mod(numbers('xry'), numbers("xxr")) > 2 *(square(mod(numbers('xry'), numbers("xxr")))) else square(mod(numbers('xry'), numbers("xxr")))
