Sharp? 12 Digit Executive Desktop Calculator, EL2139HB, Dual Power

Sharp? 12 Digit Executive Desktop Calculator, EL2139HB, Dual Power, 5 1/2 X 7 7/8 X 1Portable desktop calculator features a 12 digit, easy to read LCD screen with punctuation as well as a metal cover and kick stand. Keyboard is low noise. Functions include cost/sell/margin, answer check function, 5/4 down rounding, four key memory, change sign, grand total, right shift, square root and variable decimal. Four key memory includes memory plus, memory minus, recall memory, and clear memory keys. Twin power operation automatically switches the calculator from solar to battery power in low light.FunctionsGrand Total KeyCost/Sell/Margin KeysPercentSquare RootSign change keysAnswer check function5/4 down roundingFour key memoryRight ShiftSquare RootVariable DecimalCalculator FeaturesAuto Power Source SwitchingAdditional InformationViewing Angle: Kick stand 4 Key Memory:Memory plusMemory minusRecall memoryClear memoryProduct SpecificationsSTYLE: CalculatorSOLAR POWER: YesPOWER SOURCE(S): Solar