Symbol  Format  Data 

+  Code Point 
U+002B 
TeX 
+ 

SVG 
The plus symbol is used in math to represent the addition operator. Typically, the symbol is used in an expression like this:
In plain language, this expression means the number two plus the number seven.
The plusminus symbol is used in math to represent both positive and negative results from a calculation. It also indicates the error or uncertainty in measurements.
The minus symbol is an arithmetic operator used to represent subtraction.
Addition is a basic operation in mathematics for combining two numbers together. It is a binary operation denoted with the plus symbol with an expression on the left and an expression on the right.
Vector addition is the operation of adding two vectors together. Visually, the operation can be thought of as placing the two vectors "tip to tail" and drawing the resulting vector.