SCIENTIFIC CALCULATOR

If you press the wrong function key (+, --, x, or ÷ ), just press the correct function after pressing the wrong one. The calculator preforms the last function pressed. Example: If you press the 5 + -- x 5 =, the displayed result will be 25 as [x ] was the last function key pressed. If you press the wrong number key, press [ ON/C ] once to ... ................
................