Symbols:Plus or Minus/Examples/Arbitrary Example 2

Examples of Use of Plus or Minus Symbol

Consider the expression $a = b \pm 2$.

This means that $a$ and $b$ are related by $a = b + 2$ or $a = b - 2$.

Sources

• 2008: David Nelson: The Penguin Dictionary of Mathematics (4th ed.) ... (previous) ... (next): plus/minus sign