Over centuries, mathematicians have amassed an array of symbols—from arrows and crosses to shapes derived from letters—to ...

In The Language of Mathematics: The Stories behind the Symbols (Princeton University Press, 2025), author and mathematician Raúl Rojas explores these and other examples of the complex, and ...

Researchers have trained rhesus macaque monkeys to recognize two sets of symbols, with 26 symbols in each set. And the monkeys demonstrated an ability to add them together!