Miscellaneous Mathematical SymbolsB
Block from U+2980 to U+29FF. This block was introduced in Unicode version 3.2 (2002). It contains 128 codepoints.
The Wikipedia provides the following information on block Miscellaneous Mathematical SymbolsB:
Miscellaneous Mathematical SymbolsB is a Unicode block containing miscellaneous mathematical symbols, including brackets, angles, and circle symbols.
Chart at Unicode.org (PDF)
Block at Decode Unicode

Triple Vertical Bar DelimiterGlyph for U+2980 
Z Notation SpotGlyph for U+2981 
Z Notation Type ColonGlyph for U+2982 
Left White Curly BracketGlyph for U+2983 
Right White Curly BracketGlyph for U+2984 
Left White ParenthesisGlyph for U+2985 
Right White ParenthesisGlyph for U+2986 
Z Notation Left Image BracketGlyph for U+2987 
Z Notation Right Image BracketGlyph for U+2988 
Z Notation Left Binding BracketGlyph for U+2989 
Z Notation Right Binding BracketGlyph for U+298A 
Left Square Bracket with UnderbarGlyph for U+298B 
Right Square Bracket with UnderbarGlyph for U+298C 
Left Square Bracket with Tick In Top CornerGlyph for U+298D 
Right Square Bracket with Tick In Bottom CornerGlyph for U+298E 
Left Square Bracket with Tick In Bottom CornerGlyph for U+298F 
Right Square Bracket with Tick In Top CornerGlyph for U+2990 
Left Angle Bracket with DotGlyph for U+2991 
Right Angle Bracket with DotGlyph for U+2992 
Left Arc LessThan BracketGlyph for U+2993 
Right Arc GreaterThan BracketGlyph for U+2994 
Double Left Arc GreaterThan BracketGlyph for U+2995 
Double Right Arc LessThan BracketGlyph for U+2996 
Left Black Tortoise Shell BracketGlyph for U+2997 
Right Black Tortoise Shell BracketGlyph for U+2998 
Dotted FenceGlyph for U+2999 
Vertical Zigzag LineGlyph for U+299A 
Measured Angle Opening LeftGlyph for U+299B 
Right Angle Variant with SquareGlyph for U+299C 
Measured Right Angle with DotGlyph for U+299D 
Angle with S InsideGlyph for U+299E 
Acute AngleGlyph for U+299F 
Spherical Angle Opening LeftGlyph for U+29A0 
Spherical Angle Opening UpGlyph for U+29A1 
Turned AngleGlyph for U+29A2 
Reversed AngleGlyph for U+29A3 
Angle with UnderbarGlyph for U+29A4 
Reversed Angle with UnderbarGlyph for U+29A5 
Oblique Angle Opening UpGlyph for U+29A6 
Oblique Angle Opening DownGlyph for U+29A7 
Measured Angle with Open Arm Ending In Arrow Pointing Up and RightGlyph for U+29A8 
Measured Angle with Open Arm Ending In Arrow Pointing Up and LeftGlyph for U+29A9 
Measured Angle with Open Arm Ending In Arrow Pointing Down and RightGlyph for U+29AA 
Measured Angle with Open Arm Ending In Arrow Pointing Down and LeftGlyph for U+29AB 
Measured Angle with Open Arm Ending In Arrow Pointing Right and UpGlyph for U+29AC 
Measured Angle with Open Arm Ending In Arrow Pointing Left and UpGlyph for U+29AD 
Measured Angle with Open Arm Ending In Arrow Pointing Right and DownGlyph for U+29AE 
Measured Angle with Open Arm Ending In Arrow Pointing Left and DownGlyph for U+29AF 
Reversed Empty SetGlyph for U+29B0 
Empty Set with OverbarGlyph for U+29B1 
Empty Set with Small Circle AboveGlyph for U+29B2 
Empty Set with Right Arrow AboveGlyph for U+29B3 
Empty Set with Left Arrow AboveGlyph for U+29B4 
Circle with Horizontal BarGlyph for U+29B5 
Circled Vertical BarGlyph for U+29B6 
Circled ParallelGlyph for U+29B7 
Circled Reverse SolidusGlyph for U+29B8 
Circled PerpendicularGlyph for U+29B9 
Circle Divided By Horizontal Bar and Top Half Divided By Vertical BarGlyph for U+29BA 
Circle with Superimposed XGlyph for U+29BB 
Circled AnticlockwiseRotated Division SignGlyph for U+29BC 
Up Arrow Through CircleGlyph for U+29BD 
Circled White BulletGlyph for U+29BE 
Circled BulletGlyph for U+29BF 
Circled LessThanGlyph for U+29C0 
Circled GreaterThanGlyph for U+29C1 
Circle with Small Circle To The RightGlyph for U+29C2 
Circle with Two Horizontal Strokes To The RightGlyph for U+29C3 
Squared Rising Diagonal SlashGlyph for U+29C4 
Squared Falling Diagonal SlashGlyph for U+29C5 
Squared AsteriskGlyph for U+29C6 
Squared Small CircleGlyph for U+29C7 
Squared SquareGlyph for U+29C8 
Two Joined SquaresGlyph for U+29C9 
Triangle with Dot AboveGlyph for U+29CA 
Triangle with UnderbarGlyph for U+29CB 
S In TriangleGlyph for U+29CC 
Triangle with Serifs At BottomGlyph for U+29CD 
Right Triangle Above Left TriangleGlyph for U+29CE 
Left Triangle Beside Vertical BarGlyph for U+29CF 
Vertical Bar Beside Right TriangleGlyph for U+29D0 
Bowtie with Left Half BlackGlyph for U+29D1 
Bowtie with Right Half BlackGlyph for U+29D2 
Black BowtieGlyph for U+29D3 
Times with Left Half BlackGlyph for U+29D4 
Times with Right Half BlackGlyph for U+29D5 
White HourglassGlyph for U+29D6 
Black HourglassGlyph for U+29D7 
Left Wiggly FenceGlyph for U+29D8 
Right Wiggly FenceGlyph for U+29D9 
Left Double Wiggly FenceGlyph for U+29DA 
Right Double Wiggly FenceGlyph for U+29DB 
Incomplete InfinityGlyph for U+29DC 
Tie Over InfinityGlyph for U+29DD 
Infinity Negated with Vertical BarGlyph for U+29DE 
DoubleEnded MultimapGlyph for U+29DF 
Square with Contoured OutlineGlyph for U+29E0 
Increases AsGlyph for U+29E1 
Shuffle ProductGlyph for U+29E2 
Equals Sign and Slanted ParallelGlyph for U+29E3 
Equals Sign and Slanted Parallel with Tilde AboveGlyph for U+29E4 
Identical To and Slanted ParallelGlyph for U+29E5 
Gleich StarkGlyph for U+29E6 
ThermodynamicGlyph for U+29E7 
DownPointing Triangle with Left Half BlackGlyph for U+29E8 
DownPointing Triangle with Right Half BlackGlyph for U+29E9 
Black Diamond with Down ArrowGlyph for U+29EA 
Black LozengeGlyph for U+29EB 
White Circle with Down ArrowGlyph for U+29EC 
Black Circle with Down ArrowGlyph for U+29ED 
ErrorBarred White SquareGlyph for U+29EE 
ErrorBarred Black SquareGlyph for U+29EF 
ErrorBarred White DiamondGlyph for U+29F0 
ErrorBarred Black DiamondGlyph for U+29F1 
ErrorBarred White CircleGlyph for U+29F2 
ErrorBarred Black CircleGlyph for U+29F3 
RuleDelayedGlyph for U+29F4 
Reverse Solidus OperatorGlyph for U+29F5 
Solidus with OverbarGlyph for U+29F6 
Reverse Solidus with Horizontal StrokeGlyph for U+29F7 
Big SolidusGlyph for U+29F8 
Big Reverse SolidusGlyph for U+29F9 
Double PlusGlyph for U+29FA 
Triple PlusGlyph for U+29FB 
LeftPointing Curved Angle BracketGlyph for U+29FC 
RightPointing Curved Angle BracketGlyph for U+29FD 
TinyGlyph for U+29FE 
MinyGlyph for U+29FF