Scientific Calculator Counter 240 Functions 2 Line LCD Display Business Office Middle High School Student SAT/AP Test Calculate
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2 line LCD display, the upper line for formula and the lower for result.3 modes, COMP(Basic Arithmetic Calculations), SD(Standard Deviation), REG(Regression Calculations).240 functions, support Basic Calculation, Memory Calculation, Scientific Function Calculation and Statistical Calculation.79 steps input capacity for long formula calculation, cursor can flip right/left to make corrections, press up/down to indicate error position if formula goes wrong.Hard slide-on cover protect your calculator, won't be lost.After the calculation is finished, you can press up/down to reproduce the result and formula. (Notice: Press ON/C will clear memory.)Hard slide-on cover protect your calculator, won'