The operation of subtraction, i.e., 
minus 
.
The operation is denoted 
.
The minus sign "
" is also used to denote a negative
number, i.e., 
.
Minus
See also
Minus Sign, Negative, Plus, Plus or Minus, TimesExplore with Wolfram|Alpha
Cite this as:
Weisstein, Eric W. "Minus." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/Minus.html