| Element |
Test |
Support |
Code |
Test |
Support |
Description |
| ∀ |
∀ |
N: 6 |
∀ |
∀ |
N: 6, 7 |
For all |
| ∂ |
∂ |
IE: 4, 5, 5.5, 6
N: 6, 7 |
∂ |
∂ |
IE: 4, 5, 5.5, 6
N: 6, 7 |
Partial differential |
| ∃ |
∃ |
N: 6, 7 |
∃ |
∃ |
N: 6, 7 |
There exists |
| ∅ |
∅ |
N: 6, 7 |
∅ |
∅ |
N: 6, 7 |
Empty set, null set, diameter |
| ∇ |
∇ |
N: 6, 7 |
∇ |
∇ |
N: 6, 7 |
Nabla, or backward difference |
| ∈ |
∈ |
N: 6, 7 |
∈ |
∈ |
N: 6, 7 |
Element of |
| ∉ |
∉ |
N: 6, 7 |
∉ |
∉ |
N: 6, 7 |
Not an element of |
| ∋ |
∋ |
N: 6, 7 |
∋ |
∋ |
N: 6, 7 |
Contains as member |
| ∏ |
∏ |
IE: 4, 5, 5.5, 6
N: 6, 7 |
∏ |
∏ |
IE: 4, 5, 5.5, 6
N: 6, 7 |
N-ary product, or product sign |
| ∑ |
∑ |
IE: 4, 5, 5.5, 6
N: 6, 7 |
∑ |
∑ |
IE: 4, 5, 5.5, 6
N: 6, 7 |
N-ary summation |
| − |
− |
IE: 4, 5, 5.5
N: 6, 7
O: 4, 5, 6 |
− |
− |
IE: 4, 5, 5.5
N: 6, 7
O: 4, 5, 6 |
Minus sign |
| ∗ |
∗ |
N: 6, 7 |
∗ |
∗ |
N: 6, 7 |
Asterisk operator |
| √ |
√ |
IE: 4, 5, 5.5, 6
N: 6, 7 |
√ |
√ |
IE: 4, 5, 5.5, 6
N: 6, 7 |
Square root, radical sign |
| ∝ |
∝ |
N: 6, 7 |
∝ |
∝ |
N: 6, 7 |
Proportional to |
| ∞ |
∞ |
IE: 4, 5, 5.5 N:
6 |
∞ |
∞ |
IE: 4, 5, 5.5 N: 6 |
Infinity |
| ∠ |
∠ |
N: 6, 7 |
∠ |
∠ |
N: 6, 7 |
Angle |
| ∧ |
∧ |
N: 6, 7 |
⊥ |
⊥ |
N: 6, 7 |
Logical and |
| ∨ |
∨ |
N: 6, 7 |
⊦ |
⊦ |
N: 6, 7 |
Logical or |
| ∩ |
∩ |
IE: 4, 5, 5.5, 6
N: 6, 7 |
∩ |
∩ |
IE: 4, 5, 5.5, 6
N: 6, 7 |
Intersection, cap |
| ∪ |
∪ |
N: 6, 7 |
∪ |
∪ |
N: 6, 7 |
Union, cup |
| ∫ |
∫ |
IE: 4, 5, 5.5, 6
N: 6, 7 |
∫ |
∫ |
IE: 4, 5, 5.5, 6
N: 6, 7 |
Integral |
| ∴ |
∴ |
N: 6, 7 |
∴ |
∴ |
N: 6, 7 |
Therefore |
| ∼ |
∼ |
N: 6, 7 |
∼ |
∼ |
N: 6, 7 |
Tilde operator, varies with, similar to |
| ≅ |
≅ |
N: 6, 7 |
≅ |
≅ |
N: 6, 7 |
Approximately equal to |
| ≈ |
≈ |
IE: 4, 5, 5.5, 6
N: 6, 7 |
≈ |
≈ |
IE: 4, 5, 5.5, 6
N: 6, 7 |
Almost equal to, asymptotic to |
| ≠ |
≠ |
IE: 4, 5, 5.5, 6
N: 6, 7 |
≠ |
≠ |
IE: 4, 5, 5.5, 6
N: 6, 7 |
Not equal to |
| ≡ |
≡ |
IE: 4, 5, 5.5, 6
N: 6, 7 |
≡ |
≡ |
IE: 4, 5, 5.5, 6
N: 6, 7 |
Identical to |
| ≤ |
≤ |
IE: 4, 5, 5.5, 6
N: 6, 7 |
≤ |
≤ |
IE: 4, 5, 5.5, 6
N: 6, 7 |
Less-than or equal to |
| ≥ |
≥ |
IE: 4, 5, 5.5, 6
N: 6, 7 |
≥ |
≥ |
IE: 4, 5, 5.5, 6
N: 6, 7 |
Greater-than or equal to |
| ⊂ |
⊂ |
N: 6, 7 |
⊂ |
⊂ |
N: 6, 7 |
Subset of |
| ⊃ |
⊃ |
N: 6, 7 |
⊃ |
⊃ |
N: 6, 7 |
Superset of |
| ⊄ |
⊄ |
N: 6, 7 |
⊄ |
⊄ |
N: 6, 7 |
Not a subset of |
| ⊆ |
⊆ |
N: 6, 7 |
⊆ |
⊆ |
N: 6, 7 |
Subset of or equal to |
| ⊇ |
⊇ |
N: 6, 7 |
⊇ |
⊇ |
N: 6, 7 |
Superset of or equal to |
| ⊕ |
⊕ |
N: 6, 7 |
⊕ |
⊕ |
N: 6, 7 |
Circled plus, direct sum |
| ⊗ |
⊗ |
N: 6, 7 |
⊗ |
⊗ |
N: 6, 7 |
circled times, vector product |
| ⊥ |
⊥ |
N: 6, 7 |
⊥ |
⊥ |
N: 6, 7 |
Up tack, orthogonal to, perpendicular |
| ⋅ |
⋅ |
N: 6, 7 |
⋅ |
⋅ |
N: 6, 7 |
dot operator |
|