Product: RENUS Calculator 5 Packs, Electronic Desktop Calculator with 12 Digit Large Display, Solar Battery LCD Display Office Calculator
Brand: RENUS
Color: Black
RENUS Electronic Office Calculator for Solar Battery LCD 12 Digit Large Display 
Color:Black Size:5.5*4.7*1.8IN Weight:0.24LB 
OPERATION MANUAL KEY OPERATIONS: [ON/AC]: POWER ON / Clear error/ Clear memory [%]: Percent plus-minus key Example 150x20%=30 150x(1+20%)=180 150x(1-20%)=120 Press 150 x 20 % 150 + 20 % 150 - 20 % [M+]: memory plus (adds the displayed value to the independent memory). [M-]: memory minus(subtracts the displayed value form the independent memory). [MRC]: Memory Recall(Memory Clear when pressed twice） Example (12X4)-(20÷2)=38 Press 12 X 4 M+ 20 ÷ 2 M- MRC [MU]: Stands for Mark Up, which is for calculating GROSS PROFIT MARGIN (GPM).  Press  100 ÷ 15 MU  you will see 117.65 (15% of this total equates to 17.65) [GT]: Whenever the [=] key has been pressed, the result will be stored into the Grand Total Memory.  Example 2X3+4X5+6X7=68 Press 2 X 3 =  4 X 5 =  6 X 7 =  GT [00]: Fast addition of "0"(Displays two "0" when pressed once) [▲]：Correct the wrong number POWER CALCULATION Example 2³=8 Press 2 X = = CALCULATIONS WITH A CONSTANT Example 12X2=24  12X5=60 Press  12 X 2 = 5 = Example 3÷12=0.25 6÷12=0.5 Press 3 ÷ 12 = 6 =
5 packs,RENUS Electronic Desktop Calculator,5 AA batteries included
DURABLE SILICONE BUTTON: Good sense of touch, ABS plastic material, light weight. Reasonable configuration and comfortable operation.
DUAL POWER: Solar and Battery, solar function works even in the dim light
RENUS Basic Calculator is a general purpose desktop calculator, 13 digits make it most useful for large calculations.

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