Search results
Results from the WOW.Com Content Network
As an aside: In german almost everyone says "plus-minus". a ± b is said "a plus-minus b", with plus-minus almost as a single word, while a + (-b) would be said as "a-plus minus-b* with a pause between plus and minus. This makes it fairly unambiguous. And when people speak english here, they simply do the same. – Polygnome.
The en dash – is Unicode U+2013 & can be typed on a Mac with an English keyboard layout using Opt/minus. The em dash — U+2014 can be typed using Opt/Shift/minus. And of course underscore _ on shift/minus. There's also figure dash ‒ two-em dash ⸺ three-em dash ⸻ horizontal bar ― an actual hyphen ‐ small hyphen-minus ﹣ fullwidth ...
Mathematically, two plus two equals four. This is an mathematical statement and the "plus" is part of the first expression that is equal to four (which is the second expression). Similarly, two times three equals six, and three minus one equals five minus three.
Like this: 1 plus 5 equals 6 5 minus 4 equals 1 8 divided by 2 equals 4 2 times 4 equals 8 + in math is a sign. And we say plus by convention. In fact, the formal term for it is: a plus sign. The others signs are: the minus sign (-), the multiplication sign (x) and the division sign (÷). Adding (addition) If you add [verb] 2 plus 2 you get: 4
The temperature will be minus 4 in the countryside, but plus 2 in the city. But if there is no comparison, you don't use "plus" Temperatures will be cool: 8 in Glasgow, 10 in Cardiff and 13 in London. The words "plus" and "minus" should be used to qualify numbers, and you should use "positive" or "negative" as general adjectives.
In mathematics you have a lot of symbols, and those symbols have names. For example, plus (+), minus (-), and of course equals (=). When stating equations with a true answer, we usually read from left to right and say those symbols by their name. So, for example: 1+1=2 would read as "one plus one equals two".
6. You could say "A is equal to negative log X". Minus is generally refers to the operation of subtraction. Saying additive inverse is also perfectly correct, but rather cumbersome. Saying "A is equal to the opposite of the logarithm of X" is really imprecise, because opposite isn't a well-defined mathematical term.
For example the second one is read as one minus two equals minus one. The first one can be read similarly (one plus minus two equals minus one), but having something like 1 - (1 - 2) = 2, that's different, you need to say there's a bracket, and then that's one minus, open bracket, one minus two, close bracket, equals two.
2. '−' is an operator, and it is pronounced 'minus'. 'Positive' and 'negative' are properties of numbers, as are 'even' and 'odd'. −7 has the property of being an odd number, and the property of being a negative number, and has many other properties besides. −x may or may not be an odd number or a negative number.
Or informally ± (plus or minus). The point x is within the circle C. In this situation I would assume you mean strictly less than. I.e. if the point lies exactly on the border of the circle, it is no longer considered to be 'within' the circle: Let d_x be the distance from the center of circle C to point x. Let r be the radius of C. d_x < r