Symbols

Some symbols in no particular order: (Some symbols did not convert properly, will try to fix them.)

~         tilde

*          asterisk

+         plus sign

-           hyphen, minus sign

±         plus or minus

∓         minus or plus

×         multiplication sign

÷         division sign

•          dot or bullet product

∘          ring operator

=         equals

≡         is identical to

≠         is not equal to

≅         is approximately equal to

≈         almost equal to

≐         is nearly equal to

<         less than

>         greater than

≤         less than or equal to

≥         greater than or equal to

Ú        much less than

ä        much greater than

/          slash, solidus, virgule, division

\          reverse slash, solidus, set minus

|           vertical line

‖          double vertical line, parallel

∅         empty or null set

ℏ         h-bar (Planck constant over two pi)

ℕ         natural numbers

ℙ         prime numbers

ℤ         integers

ℚ        rational numbers

ℝ         real numbers

ℂ         complex numbers

ℍ        quaternions (after Hamilton)

𝕆       octonions

ℜ         real part

ℑ         imaginary part

dx       differential of x

Δx       increment of x

∂          partial derivative

∫         integral

∬        double integral

∭      triple integral

∮         contour integral

∯        surface integral

∰      volume integral

(          left parenthesis

)          right parenthesis

 [ ]       left and right square brackets

{ }        curly brackets or braces

⟨ ⟩        angle brackets

⟦ ⟧       double brackets

         floor brackets

         ceiling brackets

‖ ‖      double vertical line brackets   

∊         is a member of

⊂       is contained in

∩         cap, intersection

∪         cup, union

∨         or

∧       and

→      arrow, implies

⇒      double arrow, if then

⋯      ellipsis

!         exclamation point, factorial

         factorial (old notation)

∞      infinity

∝       proportional to

∀       for all

∃       there exists

∄         there does not exist

→      therefore

∵         because

         perpendicular

𝔃̅ or 𝔃*          complex conjugate

ℜ, Re real part

ℑ, Im imaginary part

%      per cent

‰      per mille

$        Dollar

£          Pound (British)

€       Euro

¥       Yen

Å       Angstrom

∇       del or nabla

∇²       Laplacian operator

∑       sum

∏       product

∶           ratio

∷         proportion

∝         is proportional to

&       ampersand

℃        degrees Celsius

℉        degrees Fahrenheit

.           decimal point

°           degrees

9           minutes

0           seconds

lb        pound(s)

Hz     hertz

ℵ         alef

ℵ₀      alef null, naught, or zero

ℶ        bet

ℷ        gimel

ℸ        dalet

à     Weierstrass p

|x|      absolute value of x

[x] or ⟦x⟧    integral part of x

x|y     x divides y

√       square root

∛         cube root

∠       angle

 ͞͞͞ ͞ ͞      vinculum above

___     vinculum below

         horizontal fraction bar

℄         center line symbol

†          dagger

℈         scruple

≀          wreath product

A X B          inner, vector, or cross, product

A ∙ B outer, scalar, or dot, product

■                    end of proof

QED               end of proof