... 3.calculator 4. weighing 5. counting , pricing. Digital Multi-function pocket Scale With Calculator,thermometer Power supply: Battery AAA ... .8mmSalver dimension:69.5X64.5mmMulti-function: weighing, calculator,counting, pricing,digital clock, digital thermometer (Fahrenheit, centigrade)Capacity/Accuracy2000G ... mode7. [0~9]: numeric keyboard Digital Multi-function pocket Scale With Calculator,thermometer