This is the only known proof quarter of this year and is in ... Only nine examples of the 1827 Original Capped Bust quarter exist. (One is at the Smithsonian.) This coin rates in the top four.

Andrew Wiles devoted much of his entire career to proving Fermat's Last Theorem, the world's most famous mathematical problem. In 1993, he made front-page headlines when he announced a proof of ...

This course is intended as preparation for a student interested in the application of mathematical concepts and proof to subjects such as computer science (in particular the analysis of algorithms) ...

Photo: Tesla Tesla reported surprisingly strong earnings in the third quarter, helping the electric-car maker to regain momentum after a tumultuous start to the year in which its profit fell for ...

There have been a few high-profile incidences of infidelity in the news of late, from Foo Fighters founder Dave Grohl’s announcement that he had a baby girl with a woman other than his wife and mother ...

With 15 years of immersion in the world of personal finance, Ashley Kilroy simplifies financial concepts for individuals striving toward financial security. Her expertise has been showcased in ...

Finding a quarter means finding one of four equal parts. There are four quarters in one whole. Layla, Bobbi, Isla and George want to share a pizza. How could they slice the pizza so they each get ...

You can find a quarter of an amount of objects. To find a quarter, you need to count how many objects there are in the whole first. Then share the total number into four equal groups. A quarter is ...

The cost of the new vehicle will be under $30,000, according to Musk. At the ‘We, Robot’ event, the electric carmaker also announced the Robovan, a vehicle designed to shuttle up to 20 people ...

After slashing its key interest rate by a hefty half percentage point in September, the Federal Reserve is expected to lower rates by a more measured quarter point Thursday and several times next ...

In the first three quarters, in face of the complicated and severe external environment and the new situations as well as new problems of domestic economic development, under the strong leadership of ...