The second mango is likely the percentage, if you have the% button found, yeah right, he expects mathematically, unfortunately Kaufmänsiches Computing läst not adjust so comes with 100 + 19% = 100.19 out in Kaufmänsichen 119. That is not so can set is if you also have to expect a lot of business very annoying.
So who needs to make Kaufmänische discounting and expected nor% who really should be hollow to another computer.
Otherwise, the computer is just fine.