Product Pendancy Large LCD Display Button Electronic 12 Digits Desktop Minimalist CalculatorFeatureSize: 148x185x41 mmWeight: 210gMaterial: ABS Engineering PlasticColour: Light GreyBattery Type: AAA Battery12-digitsOffice Desktop CalculatorLarge Display & ButtonsElectronic and Solar PowerWarningSolar panel provide limited power, please install the battery before use.The battery that comes with the product is a non-rechargeable battery, please do not charge.Functional Interpretation3 Colors DesignThe 3-color design style distinguishes the number zone and the function zone more easily, making it easier for you to read. Coupled with the overall simple design, the calculator becomes more fashionable.Package Including1 x Calculator(1 AAA battery included)1 x English General GuideFunctional Interpretation[Constant Calculations] To calculate[5*5*5*5+2+2=629],press[5*===+2==],you will see 629.[M+] Adds the number shown on the display to the number stored in the memory.[M-] Subtracts the number shown on the display to the number stored in the memory.[MRC] Combination of [MR] and [MC].[MR] Recall the current memory register value.[MC] Clear the memory register (set to zero). When you press the key once, the [MR]key was activated, when you press the key twice,the [MC] was activated.[GT] Whenever the [=] key has been pressed,the result will be stored into the Grand Total Memory.[MU] Stands for Mark Up,which is for calculating GROSS PROFIT MARGIN (GPM).30Angled Desktop CalculatorScreen of this desk calculator is just opposite your sight, make all calculation easy to read. 3 colors separated big buttons, made of ABS plastic, match with your fingers curve, make your every press more accurate and work more efficient.Large Display and Big Button CalculatorHaving large size in display screen and buttons, this large calculator is very easy to use and read, especially suitable for accountants, sales or any other business man to use in office, store, market etc.Convenience to WorkThis calculator completely kisses the desktop and 2 anti-slip mats on the back, wont slide, make sure your key presses are accurate.Dual Power Solar CalculatorSolar and battery both provide energy for the calculadora. When the battery runs off, solar panel will provide back-up energy for you to use the calculator, keep you away from embarrassment. It will turn off automatically after 8 minutes when stop using, prolong battery's life, while reduce power consumption.