Greek (type names)
e.g. alpha → α, OMEGA → Ω. Also: to → -->
Ops & constants
sum ∑ · product/prod ∏ · integral/int ∫ · grad ∇ · partial ∂ · sqrt √ · inf ∞ · ohm Ω · pi π · times × · cdot · · deg ° · perp ⟂ · angle ∠ · nought → ₀
Relations & arrows
<= ≤ · >= ≥ · != ≠ · == ≡ · ~= ≈ · -> → · <- ← · <-> ↔ · to →
Sup/Sub
x^10 → x¹⁰ · x^(n+1) → xⁿ⁺¹ · x_i → xi · y_(n+1) → yn+1 · vnought → v₀
Fractions
a//b or (a)//(b). Sides can be long expressions: 3x^2+3y^x//x + 29je//s
Greek names (lowercase / UPPERCASE):
alpha (α/Α), beta (β/Β), gamma (γ/Γ), delta (δ/Δ), epsilon (ε/Ε), zeta (ζ/Ζ), eta (η/Η), theta (θ/Θ), iota (ι/Ι), kappa (κ/Κ), lambda (λ/Λ), mu (μ/Μ), nu (ν/Ν), xi (ξ/Ξ), pi (π/Π), rho (ρ/Ρ), sigma (σ/Σ), tau (τ/Τ), upsilon (υ/Υ), phi (φ/Φ), chi (χ/Χ), psi (ψ/Ψ), omega (ω/Ω)