Function: square(cos(divide(numbers("xxr"), numbers("yyy")))) if cos(divide(numbers("xxr"), numbers("yyy"))) > divide(numbers("xxr"), numbers("yyy")) if cos(divide(numbers("xxr"), numbers("yyy"))) > numbers("xxr") else square(cos(divide(numbers("xxr"), numbers("yyy")))) else divide(numbers("xxr"), numbers("yyy"))