When it comes to coin collecting, it's hard to beat the appeal of the United States Mint proof set. These sets of ...

The U.S. Mint opened sales of the Reverse Proof Morgan and Peace dollars and that topped interest this week, with the discovery of a gold field in China close behind.

Offering release dates for several 2025 United States Mint products have been identified, with the first offering on Jan. 2, ...

The United States Mint (Mint) began accepting orders for the 2024 American Innovation $1 Coin Reverse Proof Set on December ...

Emphasizing the creative nature of mathematics, this conversational textbook guides students through the process of discovering a proof. The material revolves ... mathematical induction, set theory, ...