The character "−" (U+2212) is the Unicode Minus Sign. Here's what you need to know:
1. Symbol Type:
Mathematical operator for subtraction/negative values (distinct from the shorter hyphen `-`).
2. Appearance:
Longer than a regular hyphen `-` (− vs. -).
Matches the plus sign `+` in height and alignment when used in equations.
ug环球视讯官方app3. Common Uses:
4. Technical Notes:
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