Calculators Reference

Common Math Symbols Reference

Common math symbols and what they mean, for quick reference.

Brekzy Team Published September 8, 2026

Common math symbols and what they mean, for quick reference.

Symbol Meaning
+, −, ×, ÷ Addition, subtraction, multiplication, division
=, ≠ Equal to, not equal to
<, >, ≤, ≥ Less than, greater than, less/greater than or equal to
% Percent (per hundred)
Square root
π Pi, approximately 3.14159
Infinity
Σ Sum of a series of values

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Frequently Asked Questions

What does Σ mean?

It represents the sum of a series of values, commonly used in statistics formulas like standard deviation.

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