Description : Can you tell me how to work the scientific calculator that's on the computer?
Last Answer : answer:Does this calculator operate in RPN? (Reverse Polish Notation)? Many HP calculators do. There are no parentheses or equal sign on an RPN calculator since there is no need. The stacks do the work. Look at the ... order so I might have it reversed. 5, Enter, 2, x^y, 2,x^y, Enter 625 displayed