Usually, it indicates that the result can be obtained by both adding or subtracting. For example, x ± y ∓ z, is a shorthand for x + y − z or x − y + z (but not x + y + z nor x − y −. It is placed before a value to indicate that the actual value may be either greater or smaller than the given.
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While both symbols indicate uncertainty or variation, the order of operations differs: It is used in many math operations. We'll show everything you need to know about the plus or minus symbol including methods you may use to insert or type it on the keyboard.
± suggests that the term could be either.
It also indicates the error or uncertainty in measurements. Copy and paste plus minus symbol (±). This is particularly useful in contexts where precision is paramount, but a value has. The ± symbol is a compact way of representing both positive and negative deviations or directions from a given value.
