The symbol “?” shows that two values are not equal and that they do not represent the same thing. For example, “a ? b” means that a is not equal to b. More » Math Algebra

The yellow equal sign is the logo for the Human Rights Campaign. The Human Rights Campaign is the largest civil rights organization dedicated to achieving equality for the LGBT community. The yellow equal sign is positio... More »

Equal sign bumper stickers stand for the Human Rights Campaign. This is an organization that promotes fairness and equal rights for members of the gay, lesbian, bisexual and transgender community. More »

The congruent sign is a symbol used in geometry to indicate that two figures have the same size and shape. The sign consists of two parallel, horizontal lines topped by a single slightly wavy line. This is a combination ... More » Math Algebra

A linear inequality is similar to a linear equation; however, where a linear equation has an equals sign, a linear inequality uses an inequality symbol. Inequality symbols include (greater than), More »

An equation is a statement declaring that two values are equal. It has an equals sign and expressions on the left and right of the equals sign; the expression on the left and the right are equal. More »

In mathematics, a variable is a symbol used for a number not yet known, while a constant is a number or symbol that has a fixed value. The value of a variable can change depending on the equation, while the value of a co... More »