caractère | code texte | code numérique | commentaire | wiki |
---|---|---|---|---|
⊕ | ⊕ |
⊕ |
une croix dans un cercle (circled plus = direct sum) | wiki |
  |
  |
espace fine | ||
  |
  |
espace demi-cadratin | ||
  |
  |
espace cadratin | ||
℘ | ℘ |
℘ |
script capital P = power set = Weierstrass p | |
ℑ | ℑ |
ℑ |
partie imaginaire (majuscule I gothique) | |
ℜ | ℜ |
ℜ |
partie réelle (majuscule R gothique) | |
∅ | ∅ |
∅ |
Ensemble vide (empty set = null set = diameter) | wiki |
∗ | ∗ |
∗ |
asterisk operator | |
≅ | ≅ |
≅ |
approximately equal to | |
⊗ | ⊗ |
⊗ |
circled times = produit vectoriel | |
⋅ | ⋅ |
⋅ |
dot operator | |
⌈ | ⌈ |
⌈ |
left ceiling = apl upstile | |
⌉ | ⌉ |
⌉ |
right ceiling | |
⌊ | ⌊ |
⌊ |
left flr = apl downstile | |
⌋ | ⌋ |
⌋ |
right flr | |
〈 | ⟨ |
〈 |
chevron vers la gauche (left-pointing angle bracket) = bra | |
〉 | ⟩ |
〉 |
chevron vers la droite (right-pointing angle bracket) = ket | |
ℵ | ℵ |
ℵ |
alef symbol = first transfinite cardinal |