List of letters used in mathematics, science, and engineering
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Template:Short description Template:Hatnote Template:Incomplete list
Latin and Greek letters are used in mathematics, science, engineering, and other areas where mathematical notation is used as symbols for constants, special functions, and also conventionally for variables representing certain quantities.
Hindu-Arabic numerals
| Name | Digits |
|---|---|
| Double-struck | Template:Not a typo |
Latin
Greek
Other scripts
Hebrew
| א | Cardinality of infinite sets |
|---|---|
| ב | Cardinality of infinite sets |
| ג | Gimel function |
| ת | Tav (number) |
Cyrillic
| Л | Lobachevsky function<ref>Template:Cite journal</ref> |
|---|---|
| Ш | Tate–Shafarevich group Dirac comb |
| ш | Shuffle product |
Japanese
| よ | Yoneda embedding<ref>Template:Cite arXiv</ref> |
|---|---|
| サ | Satake compactification<ref>Template:Cite journal</ref><ref>Template:Cite book</ref> |
Modified Latin
| Å | Angstrom |
|---|---|
| ∀ | Universal quantification |
| Đ | Dispersity |
| ∂ | Partial derivative |
| ð | Spin-weighted partial derivative |
| ∃ | Existential quantification |
| <math display="inline">\hbar</math> | Reduced Planck constant |
| Ø | Empty set |
| <math>\int</math> | Integral |
Modified Greek
| ∇ | Del operator Gradient Divergence Curl |
|---|---|
| ∈ | Element (mathematics) |
| ƛ | Reduced wavelength |
| ∐ | Coproduct |