⁰ ¹ ² ³ ⁴ ⁵ ⁶ ⁷ ⁸ ⁹ - supers
Α α - Alpha
Β β - Beta
Γ γ - Gamma
Δ δ - Delta
Ε ε - Epsilon
Ζ ζ - Zeta
Θ θ - Theta
Λ λ -Lambda
Μ μ - Mu
Ν ν - Nu
Π π - Pi
Ρ ρ - Rho
Σ σ - Sigma
Τ τ - Tau
Υ υ - Upsilon
Φ φ - Phi
Χ χ - Chi
Ψ ψ - Psi
Ω ω - Omega

≅ - congruence
∴ - therefore

∈ : Element
Δ : Triangle
± : Plus/minus
× ÷ : Times & Division
≤ ≠ ≥ : Inequality
∠ : Angle
° : Degree
⊥ ∥ : Perpendicular & Parallel
~ : Similarity
≡ : Equivalence
∝ : Proportional to
∞ : Infinity
≪ ≫ : Mush less/greater than
∘ : Function composition
† * : Matrix

More superscripts:
⁺ ⁻ ⁽ ⁾
ᵃ ᵇ ᶜ ᵈ ᵉ ᶠ ᵍ ʰ ⁱ ʲ ᵏ ˡ ᵐ ⁿ ᵒ ᵖ ʳ ˢ ᵗ ᵘ ᵛ ʷ ˣ ʸ ᶻ
ᴬ ᴮ ᴰ ᴱ ᴳ ᴴ ᴵ ᴶ ᴷ ᴸ ᴹ ᴺ ᴼ ᴾ ᴿ ᵀ ᵁ ⱽ ᵂ
ᵝ ᵞ ᵟ ᶿ ᵠ ᵡ

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