bottom left corner

U+231E

bottom right corner

U+231F

top half integral

U+2320

bottom half integral

U+2321

frown

U+2322

smile

U+2323

up arrowhead between two horizontal bars

U+2324

option key

U+2325

erase to the right

U+2326

x in a rectangle box

U+2327

keyboard

U+2328

left-pointing angle bracket

U+2329

right-pointing angle bracket

U+232A

erase to the left

U+232B

benzene ring

U+232C

cylindricity

U+232D

all around-profile

U+232E

symmetry

U+232F

total runout

U+2330

dimension origin

U+2331

conical taper

U+2332

slope

U+2333

counterbore

U+2334

countersink

U+2335

apl functional symbol i-beam

U+2336

apl functional symbol squish quad

U+2337

apl functional symbol quad equal

U+2338

apl functional symbol quad divide

U+2339

apl functional symbol quad diamond

U+233A

apl functional symbol quad jot

U+233B