Unicode: 2322. Infix operator. x ⌢ y is by default interpreted as Cap[x,y]. Used in pure mathematics to mean cap product. Sometimes used as an overscript to indicate arc ...

Unicode: 2299. Alias: Esc c. Esc. Infix operator. x ⊙ y is by default interpreted as CircleDot[x,y]. Used in mathematics for various operations related to multiplication, ...

Unicode: 224D. Infix similarity operator. x ≍ y is by default interpreted as CupCap[x,y]. Used in mathematics for various notions of equivalence, usually fairly weak. f ≍ g ...

Unicode: 03D2. Aliases: Esc cU Esc, Esc cUpsilon Esc. Greek letter. Not commonly used. Used in astronomy for mass to light ratio.

Unicode: 22A8. Infix operator. x ⊨ y is by default interpreted as DoubleRightTee[x,y]. x ⊨ y ⊨ z groups as x ⊨ (y ⊨ z). Used in mathematics to indicate various strong forms ...

Unicode: 03C2. Alias: Esc fs Esc. Greek letter. Used in written Greek when σ occurs at the end of a word. Not commonly used in technical notation. Not the same as \[Stigma].

Unicode: 266D. Letter-like form. Used to denote musical notes. Sometimes used in mathematical notation.

Unicode: 03B9. Aliases: Esc i Esc, Esc iota Esc. Greek letter. Not commonly used. Used in set theory to indicate an explicitly constructible set.

Unicode: 21C6. Infix arrow operator. x ⇆ y is by default interpreted as LeftArrowRightArrow[x,y]. Used in mathematics to indicate logical equivalence. Sometimes used to ...

Unicode: 2127. Alias: Esc mho Esc. Letter-like form. Used to denote the inverse ohm unit of conductance. "Mho" is "ohm" spelled backwards. Occasionally called 'agemo' in pure ...