Here you will get a list of basic math symbols. Also, you can find specific mathematical symbols with their sign, and meaning.

We have divided the tables into 7 subparts. So, you can find your symbol easily.

- Basic Math Symbols
- Algebra Symbols
- Linear Algebra Symbols
- Logic Symbols
- Number Symbols
- Greek Alphabet Symbols
- Roman Numerals

So, let’s start.

## Basic Math Symbols

Symbol | Name | Meaning |
---|---|---|

= | equals sign | equality |

≠ | not equal sign | inequality |

≈ | approximately equal | approximation |

> | strict inequality | greater than |

< | strict inequality | less than |

≥ | inequality | greater than or equal to |

≤ | inequality | less than or equal to |

( ) | parentheses | calculate expression inside first |

[ ] | brackets | calculate expression inside first |

+ | plus sign | addition |

− | minus sign | subtraction |

± | plus – minus | both plus and minus operations |

± | minus – plus | both minus and plus operations |

* | asterisk | multiplication |

× | times sign | multiplication |

⋅ | multiplication dot | multiplication |

÷ | division sign / obelus | division |

/ | division slash | division |

— | horizontal line | division / fraction |

mod | modulo | remainder calculation |

. | period | decimal point, decimal separator |

a^{b} | power | exponent |

a^b | caret | exponent |

√a | square root | √a ⋅ √a = a |

^{3}√a | cube root | ^{3}√a ⋅ ^{3}√a ⋅ ^{3}√a = a |

^{4}√a | fourth root | ^{4}√a ⋅ ^{4}√a ⋅ ^{4}√a ⋅ ^{4}√a = a |

^{n}√a | n-th root (radical) | |

% | percent | 1% = 1/100 |

‰ | per-mille | 1‰ = 1/1000 = 0.1% |

ppm | per-million | 1ppm = 1/1000000 |

ppb | per-billion | 1ppb = 1/1000000000 |

ppt | per-trillion | 1ppt = 10^{-12} |

## Algebra Symbols

Symbol | Name | Meaning |
---|---|---|

x | x variable | unknown value to find |

≡ | equivalence | identical to |

≜ | equal by definition | equal by definition |

:= | equal by definition | equal by definition |

~ | approximately equal | weak approximation |

≈ | approximately equal | approximation |

∝ | proportional to | proportional to |

∞ | lemniscate | infinity symbol |

≪ | much less than | much less than |

≫ | much greater than | much greater than |

( ) | parentheses | calculate expression inside first |

[ ] | brackets | calculate expression inside first |

{ } | braces | set |

⌊x⌋ | floor brackets | rounds number to lower integer |

⌈x⌉ | ceiling brackets | rounds number to upper integer |

x! | exclamation mark | factorial |

| x | | vertical bars | absolute value |

f (x) | function of x | maps values of x to f(x) |

(f ∘ g) | function composition | (f ∘ g) (x) = f (g(x)) |

(a,b) | open interval | (a,b) = {x | a < x < b} |

[a,b] | closed interval | [a,b] = {x | a ≤ x ≤ b} |

∆ | delta | change / difference |

∆ | discriminant | Δ = b^{2} – 4ac |

∑ | sigma | summation – sum of all values in range of series |

∑∑ | sigma | double summation |

∏ | capital pi | product – product of all values in range of series |

e | e constant / Euler’s number | e = 2.718281828… |

γ | Euler-Mascheroni constant | γ = 0.5772156649… |

φ | golden ratio | golden ratio constant |

π | pi constant | π = 3.141592654… is the ratio between the circumference and diameter of a circle |

## Linear Algebra Symbols

Symbol | Name | Meaning |
---|---|---|

· | dot | scalar product |

× | cross | vector product |

A⊗B | tensor product | tensor product of A and B |

< x,y > | inner product | |

[ ] | brackets | matrix of numbers |

( ) | parentheses | matrix of numbers |

| A | | determinant | determinant of matrix A |

det(A) | determinant | determinant of matrix A |

|| x || | double vertical bars | norm |

A^{T} | transpose | matrix transpose |

A^{†} | Hermitian matrix | matrix conjugate transpose |

A^{*} | Hermitian matrix | matrix conjugate transpose |

A^{-1} | inverse matrix | A A^{-1} = I |

rank(A) | matrix rank | rank of matrix A |

dim(U) | dimension | dimension of matrix A |

## Logic symbols

Symbol | Name | Meaning |
---|---|---|

⋅ | and | and |

^ | caret / circumflex | and |

& | ampersand | and |

+ | plus | or |

∨ | reversed caret | or |

| | vertical line | or |

x‘ | single quote | not – negation |

x | bar | not – negation |

¬ | not | not – negation |

! | exclamation mark | not – negation |

⊕ | circled plus / oplus | exclusive or – xor |

~ | tilde | negation |

⇒ | implies | |

⇔ | equivalent | if and only if (iff) |

↔ | equivalent | if and only if (iff) |

∀ | for all | |

∃ | there exists | |

∄ | there does not exists | |

∴ | therefore | |

∵ | because / since |

## Numeral Symbols

Name | Western Arabic | Roman |
---|---|---|

zero | 0 | |

one | 1 | I |

two | 2 | II |

three | 3 | III |

four | 4 | IV |

five | 5 | V |

six | 6 | VI |

seven | 7 | VII |

eight | 8 | VIII |

nine | 9 | IX |

ten | 10 | X |

eleven | 11 | XI |

twelve | 12 | XII |

thirteen | 13 | XIII |

fourteen | 14 | XIV |

fifteen | 15 | XV |

sixteen | 16 | XVI |

seventeen | 17 | XVII |

eighteen | 18 | XVIII |

nineteen | 19 | XIX |

twenty | 20 | XX |

thirty | 30 | XXX |

forty | 40 | XL |

fifty | 50 | L |

sixty | 60 | LX |

seventy | 70 | LXX |

eighty | 80 | LXXX |

ninety | 90 | XC |

one hundred | 100 | C |

## Greek Alphabet Symbols

Upper Case | Lower Case | Greek Letter |
---|---|---|

Α | α | Alpha |

Β | β | Beta |

Γ | γ | Gamma |

Δ | δ | Delta |

Ε | ε | Epsilon |

Ζ | ζ | Zeta |

Η | η | Eta |

Θ | θ | Theta |

Ι | ι | Iota |

Κ | κ | Kappa |

Λ | λ | Lambda |

Μ | μ | Mu |

Ν | ν | Nu |

Ξ | ξ | Xi |

Ο | ο | Omicron |

Π | π | Pi |

Ρ | ρ | Rho |

Σ | σ | Sigma |

Τ | τ | Tau |

Υ | υ | Upsilon |

Φ | φ | Phi |

Χ | χ | Chi |

Ψ | ψ | Psi |

Ω | ω | Omega |

## 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 |

12 | XII |

13 | XIII |

14 | XIV |

15 | XV |

16 | XVI |

17 | XVII |

18 | XVIII |

19 | XIX |

20 | XX |

30 | XXX |

40 | XL |

50 | L |

60 | LX |

70 | LXX |

80 | LXXX |

90 | XC |

100 | C |

200 | CC |

300 | CCC |

400 | CD |

500 | D |

600 | DC |

700 | DCC |

800 | DCCC |

900 | CM |

1000 | M |

5000 | V |

10000 | X |

50000 | L |

100000 | C |

500000 | D |

1000000 | M |

Above all are the math symbols with their values and their names. Please share it if you like it.