|RPN : 1/3||RPN : 2/3||RPN : 3/3||start RPN-enh||function repository|
+, you will have 5 in stack, exactly as you were typed
enter. you can now use this 5 for further computation...
-, any RPN calculator will try to compute a substraction between two numbers.
NEG, on your keyboard, press the key "2", and press the key "N".
enter, because NEG to it himself.
||You see, the two items (147 and 6) have been dupplicated, you can now use the two last one and keep the one from 3: and 4: for later use.|
DUP2can be quickly found on MiniRPN and RPN-Enh by hitting the "D" key of your keyboard.
*, you got area (141.0372 cm²),
*, you have here the perimeter : 48.46 cm