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Make sure this fits by entering your model number. [LARGE DISPLAY] - The huge LCD screen that clearly displays big numbers makes it easy to read from afar, and it’s aesthetically pleasing. [SENSITIVE AND BIG BUTTONS] - Your calculation process will be faster and smoother with this calculator’s responsive buttons. Once pressed, the buttons quickly register and display the corresponding number on the screen. The big size of the buttons prevents you from hitting the wrong button.