Supplemental Mathematical Operators is a Unicode block containing various mathematical symbols, including N-ary operators, summations and integrals, intersections and unions, logical and relational operators, and subset/superset relations.

Block

Supplemental Mathematical Operators[1] (PDF)
0123456789ABCDEF
U+2A0x
U+2A1x
U+2A2x
U+2A3x⨿
U+2A4x
U+2A5x
U+2A6x
U+2A7x⩿
U+2A8x
U+2A9x
U+2AAx
U+2ABx⪿
U+2ACx
U+2ADx
U+2AEx
U+2AFx⫿
Notes 1.^ As of Unicode version 17.0

Variation sequences

The Supplemental Mathematical Operators block has eight variation sequences defined for standardized variants. They use U+FE00 VARIATION SELECTOR-1 (VS01) to denote variant symbols (depending on the font):

Variation sequences
Base characterBase+VS01Description
U+2A3C INTERIOR PRODUCT⨼︀tall variant with narrow foot
U+2A3D RIGHTHAND INTERIOR PRODUCT⨽︀tall variant with narrow foot
U+2A9D SIMILAR OR LESS-THAN⪝︀with similar following the slant of the upper leg
U+2A9E SIMILAR OR GREATER-THAN⪞︀with similar following the slant of the upper leg
U+2AAC SMALLER THAN OR EQUAL TO⪬︀with slanted equal
U+2AAD LARGER THAN OR EQUAL TO⪭︀with slanted equal
U+2ACB SUBSET OF ABOVE NOT EQUAL TO⫋︀with stroke through bottom members
U+2ACC SUPERSET OF ABOVE NOT EQUAL TO⫌︀with stroke through bottom members

History

The following Unicode-related documents record the purpose and process of defining specific characters in the Supplemental Mathematical Operators block:

VersionFinal code pointsCountL2 IDWG2 IDDocument
3.2U+2A00..2A6D, 2A6F..2AF6246Whistler, Ken; Freytag, Asmus (2000-04-19), Encoding Additional Mathematical Symbols in Unicode
, )Umamaheswaran, V. S. (2000-07-21), "8.18", Minutes from the SC2/WG2 meeting in Beijing, 2000-03-21 -- 24
Moore, Lisa (2000-08-08), "Motion 83-M11", Minutes Of UTC Meeting #83
Moore, Lisa (2001-05-21), "Motion 86-M19", Minutes UTC #86 in Mountain View, Jan 2001
Suignard, Michel (2001-09-10), "T.9 B.1 List of combining characters/Variation selectors", Comments accompanying the US positive vote on the FPDAM 1 to ISO/IEC 10646-1:2001
U+2A6E, 2AF7..2AFF10Beeton, Barbara; Freytag, Asmus; Ion, Patrick (2001-04-02), Additional Mathematical Symbols
Freytag, Asmus (2001-04-03), Additional Mathematical Characters (Draft 10)
, )Umamaheswaran, V. S. (2001-09-09), "7.7 Mathematical Symbols", Minutes from SC2/WG2 meeting #40 -- Mountain View, April 2001

See also