Get faster in your scientific and business calculations with 469 functions of the Sharp EL-506 Calculator. This Sharp scientific calculator with an input capacity of 12-digit upper and 10+2 digit lower enables calculations with bigger digits also. You can now just use your previous operation answer and make further calculations with the chain calculation function of this Sharp calculator. Now you will have to enter just elements of an expression thanks to the direct algebraic logic function of this Sharp scientific calculator. This Sharp calculator with multi-line "playback'Â enables you to move backward and just substitute new values for the similar calculation. Enter your formula just for once and save it on to integrated formula memory of the Sharp EL-506 Calculator.