Table de caractères matheux à copier-coller ------------------------------------------- Arithmetic ---------- plus-minus ± multiplication × division ÷ power ² ³ root √ ∛ infinity ∞ Operators --------- integrals and sum ∫ ∬ ∑ partial diff. ∂ increment, Laplace ∆ (different from Greek delta : Δ) nabla ∇ expectation 𝔼 ⟨⟩ probability ℙ norm ‖ Relationships ------------- equality = ≈ ≠ ≡ inequality < > ≤ ≥ ⩽ ⩾ proportional to ∝ element of ∈ ∉ subset of ⊂ ⊄ quantifiers ∀ ∃ ∄ Sets ---- integers ℕ ℤ 𝓝 𝓩 real numbers ℝ 𝓡 complex numbers ℂ 𝓒 empty set ∅ Arrows ------ arrows : → ⟶ ⇒ maps to : ↦ ⟼