This is an old revision of the document!
Commonly used Greek alphabet: θ, π, μ, σ, α, β, Δ, Σ, Φ, Ω, Γ, λ, ψ, ω
Square root: √, use two characters for cube root, etc: ³√
Superscripts: ⁰¹²³⁴⁵⁶⁷⁸⁹⁺ⁿ
Subscripts: ₀₁₂₃₄ₓᵢ
Copy a symbol above and paste into the Upchieve chat window. On MS Windows you can type in an alt code instead, on Mac OS you can open an on-screen keyboard and press the character. None of these options is particularly speedy, especially when using multiple symbols. Not all characters exist, including apparently a subscript y or t.
<!– can't set unicode directly? θ α α \u3b8 "\u{3b8}"; instead, I copied letters from https://unicode-table.com/en/ –>
Back to top page.