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= Common mathematical symbols = | = Common mathematical symbols = | ||
* For a negative sign or subtraction operator, use a minus sign ({{xt|−}}, Unicode character U+2212 <small>MINUS SIGN</small>). Input by clicking on it in the insert box beneath the edit window or by typing <code>&minus;</code>. | * For a negative sign or subtraction operator, use a minus sign ({{xt|−}}, Unicode character U+2212 <small>MINUS SIGN</small>). Input by clicking on it in the insert box beneath the edit window or by typing <code>&minus;</code>. | ||