Miscellaneous Mathematical Symbols-A

Block from U+27C0 to U+27EF. This block was introduced in Unicode version 3.2 (2002). It contains 48 codepoints.

The Wikipedia provides the following information on block Miscellaneous Mathematical Symbols-A:

Miscellaneous Mathematical Symbols-A is a Unicode block containing characters for mathematical, logical, and database notation.

Chart at Unicode.org (PDF)
Block at Decode Unicode

1. Three Dimensional Angle
2. White Triangle Containing Small White Triangle
3. Perpendicular
4. Open Subset
5. Open Superset
6. Left S-Shaped Bag Delimiter
7. Right S-Shaped Bag Delimiter
8. Or with Dot Inside
9. Reverse Solidus Preceding Subset
10. Superset Preceding Solidus
11. Vertical Bar with Horizontal Stroke
12. Mathematical Rising Diagonal
13. Long Division
14. Mathematical Falling Diagonal
15. Squared Logical And
16. Squared Logical Or
17. White Diamond with Centred Dot
18. and with Dot
19. Element of Opening Upwards
20. Lower Right Corner with Dot
21. Upper Left Corner with Dot
22. Left Outer Join
23. Right Outer Join
24. Full Outer Join
25. Large Up Tack
26. Large Down Tack
27. Left and Right Double Turnstile
28. Left and Right Tack
29. Left Multimap
30. Long Right Tack
31. Long Left Tack
32. Up Tack with Circle Above
33. Lozenge Divided By Horizontal Rule
34. White Concave-Sided Diamond
35. White Concave-Sided Diamond with Leftwards Tick
36. White Concave-Sided Diamond with Rightwards Tick
37. White Square with Leftwards Tick
38. White Square with Rightwards Tick
39. Mathematical Left White Square Bracket
40. Mathematical Right White Square Bracket
41. Mathematical Left Angle Bracket
42. Mathematical Right Angle Bracket
43. Mathematical Left Double Angle Bracket
44. Mathematical Right Double Angle Bracket
45. Mathematical Left White Tortoise Shell Bracket
46. Mathematical Right White Tortoise Shell Bracket
47. Mathematical Left Flattened Parenthesis
48. Mathematical Right Flattened Parenthesis