Math Symbols Reference

This page provides a comprehensive list of math symbols including their HTML entity names, numeric codes, and descriptions.

Symbol Named Entity Decimal Code Description
∀ ∀ ∀ For all
∂ ∂ ∂ Part
∃ ∃ ∃ Exist
∅ ∅ ∅ Empty
∇ ∇ ∇ Nabla
∈ ∈ ∈ Is in
∉ ∉ ∉ Not in
∋ ∋ ∋ Ni
∏ ∏ ∏ Product
∑ ∑ ∑ Sum
− − − Minus
∗ ∗ ∗ Asterisk (Lowast)
√ √ √ Square root
∝ ∝ ∝ Proportional to
∞ ∞ ∞ Infinity
∠ ∠ ∠ Angle
∧ ∧ ∧ And
∨ ∨ ∨ Or
∩ ∩ ∩ Cap
∪ ∪ ∪ Cup
∫ ∫ ∫ Integral
∴ ∴ ∴ Therefore
∼ ∼ ∼ Similar to
≅ ≅ ≅ Congurent to
≈ ≈ ≈ Almost equal
≠ ≠ ≠ Not equal
≡ ≡ ≡ Equivalent
≤ ≤ ≤ Less or equal
≥ ≥ ≥ Greater or equal
⊂ ⊂ ⊂ Subset of
⊃ ⊃ ⊃ Superset of
⊄ ⊄ ⊄ Not subset of
⊆ ⊆ ⊆ Subset or equal
⊇ ⊇ ⊇ Superset or equal
⊕ ⊕ ⊕ Circled plus
⊗ ⊗ ⊗ Circled times
⊥ ⊥ ⊥ Perpendicular
⋅ ⋅ ⋅ Dot operator

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