Mathematical Symbols

Roman numerals Number Roman numeral 0 not defined 1 I 2 II 3 III 4 IV 5 V 6 VI 7 VII 8 VIII 9 IX 10 X 11 XI…

Greek alphabet letters Greek Symbol Greek Letter Name English Equivalent Pronunciation Upper Case Lower Case Α α Alpha a al-fa Β β Beta b be-ta Γ γ Gamma g ga-ma…

Numeral symbols Name European Roman Hindu Arabic Hebrew zero 0 ٠ one 1 I ١ א two 2 II ٢ ב three 3 III ٣ ג four 4 IV ٤…

Calculus & analysis symbols Symbol Symbol Name Meaning / definition Example limit limit value of a function ε epsilon represents a very small number, near zero ε → 0 e e…

Logic symbols Symbol Symbol Name Meaning / definition Example · and and x · y ^ caret / circumflex and x ^ y & ampersand and x & y + plus or x + y ∨ reversed caret…

Set theory symbols Symbol Symbol Name Meaning / definition Example { } set a collection of elements A = {3,7,9,14}, B = {9,14,28} A ∩ B intersection objects that belong…

Combinatorics Symbols Symbol Symbol Name Meaning / definition Example n! factorial n! = 1·2·3·...·n 5! = 1·2·3·4·5 = 120 nPk permutation 5P3 = 5! / (5-3)! = 60 nCk combination 5C3 = 5!/[3!(5-3)!]=10

Probability and statistics symbols Symbol Symbol Name Meaning / definition Example P(A) probability function probability of event A P(A) = 0.5 P(A ∩ B) probability of events intersection probability that of events…

Linear Algebra Symbols Symbol Symbol Name Meaning / definition Example · dot scalar product a · b × cross vector product a × b A⊗B tensor product tensor product of A and B A ⊗ B…

Algebra symbols Symbol Symbol Name Meaning / definition Example x x variable unknown value to find when 2x = 4, then x = 2 ≡ equivalence identical to ≜ equal by definition equal…