Collection

Ký hiệu toán học

Dùng cho công thức, lớp học và tài liệu kỹ thuật.

Ký hiệu toán học

infinity

U+221E

not equal to

U+2260

for all

U+2200

complement

U+2201

partial differential

U+2202

there exists

U+2203

there does not exist

U+2204

empty set

U+2205

increment

U+2206

nabla

U+2207

element of

U+2208

not an element of

U+2209

small element of

U+220A

contains as member

U+220B

does not contain as member

U+220C

small contains as member

U+220D

end of proof

U+220E

n-ary product

U+220F

n-ary coproduct

U+2210

n-ary summation

U+2211

minus dấu

U+2212

minus-or-plus dấu

U+2213

dot plus

U+2214

division slash

U+2215

set minus

U+2216

asterisk toán tử

U+2217

ring toán tử

U+2218

bullet toán tử

U+2219

square root

U+221A

cube root

U+221B

fourth root

U+221C

proportional to

U+221D

infinity

U+221E

right angle

U+221F

angle

U+2220

measured angle

U+2221

spherical angle

U+2222

divides

U+2223

does not divide

U+2224

parallel to

U+2225

not parallel to

U+2226

logical and

U+2227

logical or

U+2228

intersection

U+2229

union

U+222A

integral

U+222B

double integral

U+222C

triple integral

U+222D

contour integral

U+222E

surface integral

U+222F

volume integral

U+2230

clockwise integral

U+2231

clockwise contour integral

U+2232

anticlockwise contour integral

U+2233

therefore

U+2234

because

U+2235

ratio

U+2236

proportion

U+2237

dot minus

U+2238

excess

U+2239

geometric proportion

U+223A

homothetic

U+223B

tilde toán tử

U+223C

reversed tilde

U+223D

inverted lazy s

U+223E

sine wave

U+223F

wreath product

U+2240

not tilde

U+2241

minus tilde

U+2242

asymptotically equal to

U+2243

not asymptotically equal to

U+2244

approximately equal to

U+2245

approximately but not actually equal to

U+2246

neither approximately nor actually equal to

U+2247

almost equal to

U+2248

not almost equal to

U+2249

almost equal or equal to

U+224A

triple tilde

U+224B

all equal to

U+224C

equivalent to

U+224D

geometrically equivalent to

U+224E

difference between

U+224F

approaches the limit

U+2250

geometrically equal to

U+2251

approximately equal to or the image of

U+2252

image of or approximately equal to

U+2253

colon equals

U+2254

equals colon

U+2255

ring in equal to

U+2256

ring equal to

U+2257

corresponds to

U+2258

estimates

U+2259

equiangular to

U+225A

Ký hiệu ngôi sao equals

U+225B

delta equal to

U+225C

equal to by definition

U+225D