| ∀ | ∀ | for all |
| ∂ | ∂ | partial differential |
| ∃ | ∃ | there exists |
| ∅ | ∅ | empty set; null set |
| ∇ | ∇ | nabla; backward difference |
| ∈ | ∈ | element of |
| ∉ | ∉ | not an element of |
| ∋ | ∋ | contains as member |
| ∏ | ∏ | n-ary product; product sign |
| ∑ | ∑ | n-ary sumation |
| − | − | minus sign |
| ∗ | ∗ | asterisk operator |
| √ | √ | radical sign |
| ∝ | ∝ | proportional to |
| ∞ | ∞ | infinity |
| ∠ | ∠ | angle |
| ∧ | ∧ | logical and; wedge |
| ∨ | ∨ | logical or; vee |
| ∩ | ∩ | intersection; cap |
| ∪ | ∪ | union; cup |
| ∫ | ∫ | integral |
| ∴ | ∴ | therefore |
| ∵ | ∵ | because |
| ∼ | ∼ | tilde operator; varies with |
| ≅ | ≅ | approximately equal to |
| ≈ | ≈ | almost equal to; asymptotic to |
| ≠ | ≠ | not equal to |
| ≡ | ≡ | identical to |
| ≤ | ≤ | less-than or equal to |
| ≥ | ≥ | greater-than or equal to |
| ⊂ | ⊂ | subset of |
| ⊃ | ⊃ | superset of |
| ⊄ | ⊄ | not a subset of |
| ⊆ | ⊆ | subset of or equal to |
| ⊇ | ⊇ | superset of or equal to |
| ⊕ | ⊕ | circled plus; direct sum |
| ⊗ | ⊗ | circled times; vector product |
| ⊥ | ⊥ | up tack; orthogonal to; perpendicular |
| ⋅ | ⋅ | dot operator |