"A Disappearing Number"

"A Disappearing Number" is a term that refers to a fascinating mathematical concept involving constants that seem to "vanish" when combined in certain ways. For example, the mathematical constant π (pi) and other numbers can be manipulated to reveal surprising and elegant relationships. It also symbolizes the idea that some mathematical truths seem to fade or become less obvious, highlighting the mysterious and beautiful nature of mathematics. Additionally, it is the title of a play that explores the connection between mathematics and human relationships, blending scientific ideas with storytelling.