AQUARIUS Hammer House of Horror Playing Cards - 6 of Hearts

Another poster for the most horrifying movie in history, a movie about algebra, scary.
 

AQUARIUS Hammer House of Horror Playing Cards - 8 of Diamonds

 

"X the Unknown"! someone made a movie about Algebra? Now that is terrifying. In reality this 1956 film is about a radio active monster which is much less scary than Algebra. I think it's an atomic version of the blob.