How to use calculator attached to computer
Open the "All Programs" subdirectory in the start menu bar, open the calculator in the attachment, and adjust the panel to be scientific when viewing.
Press "3"-"x y"-press" 5"-press "1/x"-press" = "-to get"/kloc-0 1.50000000005.
Method: Let A drive to the power of B:
Press "a"-ε "xy"-b "-1/x"-ε "=" to get the solution.