-2 is: "minus two"
3 - -2 is: three minus minus two (or three plus two)

>10-2 is: ten minus 2
>-2 is: negative two
>3 - -2 is: three minus negative two
>
>I'm not sure where you got your other terms?
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>
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>>>>>Dragan
>>>>>
>>>>>>Just heard that "Nasdaq fell two tenths of one percent"... just like it usually does, but they never ever say of which percent are those tenths. Isn't there a promille in English? Obviously not, because spell checker readily underlines it in red. The word means "per thousand" (just like "percent" means "per hundred").
>>>>>
>>>>>Yes there is in an equivalent in English, per mill http://m-w.com/cgi-bin/dictionary?va=per%20mill
>>>>
>>>>Now wouldn't it be nice if kids learned this word at school? I wouldn't lose sleep wondering which poor percent lost two of its tenths.
>>>>
>>>
>>>I have never heard that word in my life. But what's the problem really? "Two tenths of one percent" seems clear enough to me. "Two tenths of a percent" might make the pedantic a bit happier. A bit.
>>
>>The "one percent" sounds ridiculous to me. Like "it fell 2/10 of one percent, but not of the others", or "it fell 2/10 of one percent but we won't tell you which one".
>>
>>Just like the rule that -2 is to be pronounced "two negative". "Minus two" is what I'm used to.