following continuously

a statement that two things are not equal

A sign used to show that one value is lesser than the other value.

A sign  that is typically placed between two values being compared and signifies that the first number is greater than the second number. 

It is an equation in which the highest power of the variable is always 1

These are the expressions where any two values are compared by the inequality symbols such as, '<', '>', '≤' or '≥'.

find an answer to, explanation for, or means of effectively dealing with (a problem or mystery).