Infinity Symbol

The symbol ∞ is called a lemniscate and represents something without any limit or end. It was introduced by mathematician John Wallis in 1655. It is not a number you can calculate with — it describes a set or quantity that never ends.

Test facts about the infinity symbol, or classify a set as finite or infinite.

Continue exploring related topics:

• Pi Symbol
• Approximation Symbols
• Limits - The Gateway to Calculus