U+2200..U+22FF

สัญลักษณ์คณิตศาสตร์

ใช้กับสูตร บทเรียน และเอกสารพัฒนา

Block characters

forall

U+2200

complement

U+2201

partialdifferential

U+2202

thereexists

U+2203

theredoesnotexist

U+2204

emptyset

U+2205

increment

U+2206

nabla

U+2207

elementof

U+2208

notanelementof

U+2209

smallelementof

U+220A

containsasmember

U+220B

doesnotcontainasmember

U+220C

smallcontainsasmember

U+220D

endofproof

U+220E

n-aryproduct

U+220F

n-arycoproduct

U+2210

n-arysummation

U+2211

minusเครื่องหมาย

U+2212

minus-or-plusเครื่องหมาย

U+2213

dotplus

U+2214

divisionslash

U+2215

setminus

U+2216

asteriskตัวดำเนินการ

U+2217

ringตัวดำเนินการ

U+2218

bulletตัวดำเนินการ

U+2219

squareroot

U+221A

cuberoot

U+221B

fourthroot

U+221C

proportionalto

U+221D

infinity

U+221E

rightangle

U+221F

angle

U+2220

measuredangle

U+2221

sphericalangle

U+2222

divides

U+2223

doesnotdivide

U+2224

parallelto

U+2225

notparallelto

U+2226

logicaland

U+2227

logicalor

U+2228

intersection

U+2229

union

U+222A

integral

U+222B

doubleintegral

U+222C

tripleintegral

U+222D

contourintegral

U+222E

surfaceintegral

U+222F

volumeintegral

U+2230

clockwiseintegral

U+2231

clockwisecontourintegral

U+2232

anticlockwisecontourintegral

U+2233

therefore

U+2234

because

U+2235

ratio

U+2236

proportion

U+2237

dotminus

U+2238

excess

U+2239

geometricproportion

U+223A

homothetic

U+223B

tildeตัวดำเนินการ

U+223C

reversedtilde

U+223D

invertedlazys

U+223E

sinewave

U+223F

wreathproduct

U+2240

nottilde

U+2241

minustilde

U+2242

asymptoticallyequalto

U+2243

notasymptoticallyequalto

U+2244

approximatelyequalto

U+2245

approximatelybutnotactuallyequalto

U+2246

neitherapproximatelynoractuallyequalto

U+2247

almostequalto

U+2248

notalmostequalto

U+2249

almostequalorequalto

U+224A

tripletilde

U+224B

allequalto

U+224C

equivalentto

U+224D

geometricallyequivalentto

U+224E

differencebetween

U+224F

approachesthelimit

U+2250

geometricallyequalto

U+2251

approximatelyequaltoortheimageof

U+2252

imageoforapproximatelyequalto

U+2253

colonequals

U+2254

equalscolon

U+2255

ringinequalto

U+2256

ringequalto

U+2257

correspondsto

U+2258

estimates

U+2259

equiangularto

U+225A

สัญลักษณ์ดาวequals

U+225B

deltaequalto

U+225C

equaltobydefinition

U+225D

measuredby

U+225E

questionedequalto

U+225F

notequalto

U+2260

identicalto

U+2261

notidenticalto

U+2262

strictlyequivalentto

U+2263

less-thanorequalto

U+2264

greater-thanorequalto

U+2265

less-thanoverequalto

U+2266

greater-thanoverequalto

U+2267

less-thanbutnotequalto

U+2268

greater-thanbutnotequalto

U+2269

muchless-than

U+226A

muchgreater-than

U+226B

between

U+226C

notequivalentto

U+226D

notless-than

U+226E

notgreater-than

U+226F

neitherless-thannorequalto

U+2270

neithergreater-thannorequalto

U+2271

less-thanorequivalentto

U+2272

greater-thanorequivalentto

U+2273

neitherless-thannorequivalentto

U+2274

neithergreater-thannorequivalentto

U+2275

less-thanorgreater-than

U+2276

greater-thanorless-than

U+2277