Mathematical

Notation and symbols used in mathematics, logic, and formal sciences, including Unicode mathematical operators.

5 symbols

Infinity Symbol (∞)

Mathematical symbol representing an unbounded quantity or the concept of endlessness.

Mathematical/Western · 1655 – present

Integral Sign (∫)

Mathematical symbol denoting integration, introduced by Leibniz.

Mathematical/Western · 1675 – present

Summation Sign (Σ)

Greek capital letter Sigma used as the mathematical symbol for summation.

Mathematical/Western · 1755 – present

Pi (π)

Mathematical constant representing the ratio of a circle's circumference to its diameter.

Mathematical/Western · 1706 – present

Element Of (∈)

Set theory symbol indicating that an element belongs to a set.

Mathematical/Western · 1889 – present