The plus-minus sign and its complement, the minus-or-plus sign, are mathematical symbols with several related meanings. The plus-minus sign most commonly indicates a choice between two values, such as the two roots of a quadratic equation, or expresses a measurement tolerance where a stated value could lie within a range above or below it. It is encoded in Unicode as U+00B1, with the minus-or-plus sign encoded separately as U+2213, and both appear throughout mathematics, science and engineering wherever a quantity can take either of two related values. This description is adapted from Wikipedia contributors under CC BY-SA 4.0; changes were made. https://creativecommons.org/licenses/by-sa/4.0/
Facts
Connections
Is Kind Of Object
Entity-backed identity for the object-kind enum value this mathematical object already carries, resolved to a mathematics concept by an explicit value-to-entity map (phase 3 bucket conversion, docs\design_entity_backed_browse_buckets_20260928.md). The object-kind fact itself stays on the object unchanged.
Sources
1. Plus-Minus Sign (Wikipedia)
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