<
Symbol  Format  Data 

<  Code Point 
U+003C 
TeX 
< 

SVG 
The less than symbol is used to express that one expression is less than another. The symbol is also used as a boolean operator that returns true or false. The symbol is typically used in an expression like this:
In plain language, this means that the variable is less than the variable .
The less than or equal symbol is used in math to express the relationship between two quantities.
The greater than symbol is used to express that the lefthand expression is greater than the righthand expression.
The greater than or equal to symbol is used in math to express the relationship between two math expressions.