- + ⁢ ∠ / -⁢ +⁢ ∠ × 10 / - ⁢ + ⁢ Polar / ⁡ ⁡ -1 ⁡ -1 -1 λ ( , ) ∘ ⁡ ( , ) ∘ id domain codomain image { if otherwise integer part of / ! min , min { | } min , { | } min { | } max , max { | } max , { | } max { | } - - + + + + mod ⁢ ⁢ ⁢ ⁢ ⁢ ⁢ ⁢ × × ⁢ ⁢ ⁢ gcd⁡ ∧ ∧ ∧ ∧ ∧ ∨ ∨ ∨ ⨁ ⨁ ⨁ ⨁ ⨁ ¬ ⇒ ⇒ ∀ , , : : ∃ , , : : || ‾ ∠⁡ &#x0211C; ⁡ &#x02111; ⁡ lcm⁡ ⌊⌋ ⌈⌉ = = = ≠ ≠ > > > ≥ ≥ ≥ ≤ ≤ ≤ ≡ ≡ ≡ &#x02248; &#x02248; | ∫ d ∫ d ∫ d ∫ d ∫ d d d d d d d ′ ′ ′ D ∂ ∂ ∂ ∂ ∂ + ∂ ∂ ∂ div grad curl &#x02207; 2 {|} { } , [|] ⋃ ⋃ ⋃ ⋂ ⋂ ⋂ ⋂ ∈ ∈ ∉ ∉ ⊆ ⊆ ⊆ ⊂ ⊂ ⊂ ⊂⃒ ⊂⃒ ⊈ ⊈ ∖ || × × × × × ⁢ ∑ ∑ = ∑ ∑ ∑ = ∑ ∏ ∏ = ∏ ∏ ∏ = lim lim → ↓ ↑ → → sin ⁡ sin sin cos cos tan tan sec sec csc csc cot cot sinh sinh cosh cosh tanh tanh sech sech csch csch coth coth arcsin arcsin arccos arccos arctan arctan arcsec arcsec arccsc arccsc arccot arccot arcsinh arcsinh arccosh arccosh arctanh arctanh arcsech arcsech arccsch arccsch arccoth arccoth ⅇ ⅇ ln⁡ ln log ⁡ log ⁡ log log 10 ⟨ , ⟩ ‾ σ σ 2 median mode ⟨ , ⟩ T det T × < , > . &#x2124; &#x211D; &#x211A; &#x2115; &#x2102; &#x2119; ⅇ NaN true false ∅ π γ ∞