[MU]Stands for Mark Up,which is for calculating GROSS PROFIT MARGIN (GPM). Example:Enter [100] then press the [÷],then [15] then [MU] key,you will see 117.65 (15% of this total equates to 17.65). 【5in Large Display&Button Calculator】When you put the calculator on the desktop, the 30°large display is just opposite your sight, more clear than a straight display.
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