List of letters used in mathematics, science, and engineering

This list is incomplete; you can help by adding missing items. (January 2011)

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

Typographical variations of digits in Unicode
Name	Digits
Double-struck	𝟘 𝟙 𝟚 𝟛 𝟜 𝟝 𝟞 𝟟 𝟠 𝟡

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^[1]
Ш	Tate–Shafarevich group
ш	Shuffle product

Japanese

よ	Yoneda embedding^[2]
サ	Satake compactification^[3]^[4]

Modified Latin

Å	Angstrom
∀	Universal quantification
Đ	Dispersity
∂	Partial derivative
ð	Spin-weighted partial derivative
∃	Existential quantification
${\textstyle \hbar }$	Reduced Planck constant
Ø	Empty set
$\int$	Integral

Modified Greek

∇	Del operator Gradient Divergence Curl
∈	Element (mathematics)
ƛ	Reduced wavelength
∐	Coproduct

References

^ Satou, Nobuo (2017-03-23). "AN ENHANCEMENT OF THE ZAGIER CONJECTURE( Dissertation_全文 )". Kyoto University Research Information Repository. doi:10.14989/doctor.k20155.
^ Li-Bland, David (2015). "The stack of higher internal categories and stacks of iterated spans". arXiv:1506.08870 [math.SG].
^ Mukai, Shigeru (11 January 1999). "Moduli of abelian surfaces and regular polyhedral groups". Moduli of Algebraic Varieties: 5–7. Archived from the original (PDF) on 18 April 2023.
^ Namikawa, Yukihiko (1980). "Main problem and main results". Toroidal Compactification of Siegel Spaces. Lecture Notes in Mathematics. Vol. 812. Springer. pp. 7–11. doi:10.1007/BFb0091053. ISBN 9783540381761.

Common mathematical notation, symbols, and formulas

Lists of Unicode and LaTeX mathematical symbols
List of mathematical symbols by subject Glossary of mathematical symbols List of logic symbols

Lists of Unicode symbols

General	List of Unicode characters Unicode block
Alphanumeric	Mathematical Alphanumeric Symbols Blackboard bold Letterlike Symbols Symbols for zero
Arrows and Geometric Shapes	Arrows Miscellaneous Symbols and Arrows Geometric Shapes (Unicode block)
Operators	Mathematical operators and symbols Mathematical Operators (Unicode block)
Supplemental Math Operators	Supplemental Mathematical Operators Number Forms
Miscellaneous	A B Technical ISO 31-11 (Mathematical signs and symbols for use in physical sciences and technology)

Typographical conventions and notations

Language	APL syntax and symbols
Letters	Diacritic Letters in STEM Greek letters in STEM Latin letters in STEM
Notation	Mathematical notation Abbreviations Notation in probability and statistics List of common physics notations

Meanings of symbols
Glossary of mathematical symbols List of mathematical constants Physical constants Table of mathematical symbols by introduction date List of typographical symbols and punctuation marks