=
Chat with our AI personalities
An equation has an equal sign, a expression does not.
An equals sign with a diagonal line through it.
An equal sign IS two lines. Whatever mathemetician first invented the symbol apparently thought it was the best symbol to show equality (equal-ness).
the at sign looks like this: @
It is an equal sign with a line traveling diagonally from upper right to bottom left, like this: ≠ Alternatively on a computer <> means not equal to