Professor Raúl Rojas has published a book about how symbols have been used throughout history in mathematics. The work was translated into English this year.

Stage 5: Justify thinking. A vital habit that many students need to solidify is recontextualizing after they solve ...

"No one should have to spend a fortune on a lawyer or hours trying to figure out what went wrong on their taxes when the IRS ...

For years, a French mathematician searched for a proof that a gigantic number is prime. His method is still used 150 years ...