⇿

left right open-headed arrow

Unicode code point: U+21FF

∀

for all

Unicode code point: U+2200

∁

complement

Unicode code point: U+2201

∂

partial differential

Unicode code point: U+2202

∃

there exists

Unicode code point: U+2203

∄

there does not exist

Unicode code point: U+2204

∅

empty set

Unicode code point: U+2205

∆

increment

Unicode code point: U+2206

∇

nabla

Unicode code point: U+2207

∈

element of

Unicode code point: U+2208

∉

not an element of

Unicode code point: U+2209

∊

small element of

Unicode code point: U+220A

∋

contains as member

Unicode code point: U+220B

∌

does not contain as member

Unicode code point: U+220C

∍

small contains as member

Unicode code point: U+220D

∎

end of proof

Unicode code point: U+220E

∏

n-ary product

Unicode code point: U+220F

∐

n-ary coproduct

Unicode code point: U+2210

∑

n-ary summation

Unicode code point: U+2211

−

minus sign

Unicode code point: U+2212

∓

minus-or-plus sign

Unicode code point: U+2213

∔

dot plus

Unicode code point: U+2214

∕

division slash

Unicode code point: U+2215

∖

set minus

Unicode code point: U+2216

∗

asterisk operator

Unicode code point: U+2217

∘

ring operator

Unicode code point: U+2218

∙

bullet operator

Unicode code point: U+2219

√

square root

Unicode code point: U+221A

∛

cube root

Unicode code point: U+221B

∜

fourth root

Unicode code point: U+221C

∝

proportional to

Unicode code point: U+221D

∞

infinity

Unicode code point: U+221E

∟

right angle

Unicode code point: U+221F

∠

angle

Unicode code point: U+2220

∡

measured angle

Unicode code point: U+2221

∢

spherical angle

Unicode code point: U+2222

∣

divides

Unicode code point: U+2223

∤

does not divide

Unicode code point: U+2224

∥

parallel to

Unicode code point: U+2225

∦

not parallel to

Unicode code point: U+2226

∧

logical and

Unicode code point: U+2227

∨

logical or

Unicode code point: U+2228

∩

intersection

Unicode code point: U+2229

∪

union

Unicode code point: U+222A

∫

integral

Unicode code point: U+222B

∬

double integral

Unicode code point: U+222C

∭

triple integral

Unicode code point: U+222D

∮

contour integral

Unicode code point: U+222E

∯

surface integral

Unicode code point: U+222F

∰

volume integral

Unicode code point: U+2230

∱

clockwise integral

Unicode code point: U+2231

∲

clockwise contour integral

Unicode code point: U+2232

∳

anticlockwise contour integral

Unicode code point: U+2233

∴

therefore

Unicode code point: U+2234

∵

because

Unicode code point: U+2235

∶

ratio

Unicode code point: U+2236

∷

proportion

Unicode code point: U+2237

∸

dot minus

Unicode code point: U+2238

∹

excess

Unicode code point: U+2239

∺

geometric proportion

Unicode code point: U+223A

∻

homothetic

Unicode code point: U+223B

∼

tilde operator

Unicode code point: U+223C

∽

reversed tilde

Unicode code point: U+223D

∾

inverted lazy s

Unicode code point: U+223E

∿

sine wave

Unicode code point: U+223F

≀

wreath product

Unicode code point: U+2240

≁

not tilde

Unicode code point: U+2241

≂

minus tilde

Unicode code point: U+2242

≃

asymptotically equal to

Unicode code point: U+2243

≄

not asymptotically equal to

Unicode code point: U+2244

≅

approximately equal to

Unicode code point: U+2245

≆

approximately but not actually equal to

Unicode code point: U+2246

≇

neither approximately nor actually equal to

Unicode code point: U+2247

≈

almost equal to

Unicode code point: U+2248

≉

not almost equal to

Unicode code point: U+2249