LARGE DISPLAY AND BIG BUTTON CALCULATOR Large 5 Inch and clear 14 digits display screen allows for easy readability and usage, relieving any strain on your eyes.Especially suitable for accountants, supermarket cashier,stockbroker and office etc. 112 STEPS CHECK FUNCTIONS Auto Replay or 112 Steps Check or Grand Total or Markup or Memory Clear and Recall or Memory Add or Subtract function keys help with basic and complex calculations. 20° DESKTOP CALCULATOR Screen of this desk calculator is just opposite your sight, make all calculation easy to read. 2 colors separated big buttons,match with your fingers’ curve, make your every press more accurate and work more efficient. DUAL POWER SUPPLY DRIVE This calculator is driven by solar panels and AA ies at the same time, so you never have to worry about running out of power. The calculator will turn itself off automatically after about 8 minutes of being idle. HIGHLY DURABLE This large calculator is made of ABS high strength engineering s ,so it can withstand the impact of falling on the height of the desktop for several times. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.