Symbol equations are a quick way of representing chemical reactions. They show us what atoms are involved and how they are bonded together. Symbol equations always take the form, reactants → products.

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

"Even the +, −, =, and x signs we take for granted only came into widespread use in the 17th century. Which means that the earlier algebraists we know of … all had expressed their equations mostly in ...

Monkeys can use symbols to add — a finding that sheds light on the evolutionary origins of math, researchers say. Humans possess a sophisticated combination of mathematical capabilities unmatched in ...