日期:2014-05-17 浏览次数:20750 次
本字符实体参考手册包括了数学符号、希腊字符、各种箭头记号、科技符号以及形状。
注释: 实体名称对大小写敏感。
? | for all | ∀ | ∀ |
? | part | ∂ | ∂ |
? | exists | &exists; | ∃ |
? | empty | ∅ | ∅ |
? | nabla | ∇ | ∇ |
∈ | isin | ∈ | ∈ |
? | notin | ∉ | ∉ |
? | ni | ∋ | ∋ |
∏ | prod | ∏ | ∏ |
∑ | sum | ∑ | ∑ |
? | minus | − | − |
? | lowast | ∗ | ∗ |
√ | square root | √ | √ |
∝ | proportional to | ∝ | ∝ |
∞ | infinity | ∞ | ∞ |
∠ | angle | ∠ | ∠ |
∧ | and | ∧ | ∧ |
∨ | or | ∨ | ∨ |
∩ | cap | ∩ | ∩ |
∪ | cup | ∪ | ∪ |
∫ | integral | ∫ | ∫ |
∴ | therefore | ∴ | ∴ |
~ | simular to | ∼ | ∼ |
? | approximately equal | ≅ | ≅ |
≈ | 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 | ⊕ | ⊕ |
? | cirled times | ⊗ | ⊗ |
⊥ | perpendicular | ⊥ | ⊥ |
? | dot operator | ⋅ | ⋅ |
Α | Alpha | Α | Α |
Β | Beta | Β | Β |
Γ | Gamma | Γ | Γ |
Δ | Delta | Δ | Δ |
Ε | Epsilon | Ε | Ε |
Ζ | Zeta | Ζ | Ζ |