| 数学記号 | 実体名 | コード | 備 考 | 
| ∀ | ∀ | ∀ | for all 
 | 
| ∂ | ∂ | ∂ | partial differential 
 | 
| ∃ | ∃ | ∃ | there exists 
 | 
| ∇ | ∇ | ∇ | nabla = backward difference 
 | 
| ∈ | ∈ | ∈ | element of 
 | 
| ∋ | ∋ | ∋ | contains as member 
 | 
| ∏ | ∏ | ∏ | n-ary product = product sign 
 | 
| ∑ | ∑ | ∑ | n-ary sumation 
 | 
| − | − | − | minus sign 
 | 
| √ | √ | √ | square root = radical sign 
 | 
| ∝ | ∝ | ∝ | proportional to 
 | 
| ∞ | ∞ | ∞ | infinity 
 | 
| ∠ | ∠ | ∠ | angle 
 | 
| ∧ | ∧ | ∧ | logical and = wedge 
 | 
| ∨ | ∨ | ∨ | logical or = vee 
 | 
| ∩ | ∩ | ∩ | intersection = cap 
 | 
| ∪ | ∪ | ∪ | union = cup 
 | 
| ∫ | ∫ | ∫ | integral 
 | 
| ∴ | ∴ | ∴ | therefore 
 | 
| ≈ | ≈ | ≈ | almost equal to = asymptotic to 
 | 
| ≠ | ≠ | ≠ | not equal to 
 | 
| ≡ | ≡ | ≡ | identical to 
 | 
| ≤ | ≤ | ≤ | less-than or equal to 
 | 
| ≥ | ≥ | ≥ | greater-than or equal to 
 | 
| ⊂ | ⊂ | ⊂ | subset of 
 | 
| ⊃ | ⊃ | ⊃ | superset of 
 | 
| ⊆ | ⊆ | ⊆ | subset of or equal to 
 | 
| ⊇ | ⊇ | ⊇ | superset of or equal to 
 | 
| ⊕ | ⊕ | ⊕ | circled plus = direct sum 
 | 
| ⊥ | ⊥ | ⊥ | up tack = orthogonal to = perpendicular 
 |