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Copy a symbol below 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.
Commonly used Greek alphabet: θ, π, μ, σ, α, β, Δ, Σ, Φ, Ω, Γ, λ, ψ, ω
Square root: √, two character combinations: ³√, ±√
Degree sign: °
Logic, sets: ∩ ∪ ⊂ ⊃ ⊗ ∵ ⋮ ∀ ∃
Equalities: ≠ ≤ ≥ ≅ ±
Superscripts: ⁰ ¹ ² ³ ⁴ ⁵ ⁶ ⁷ ⁸ ⁹ ⁺ ⁿ
Subscripts: ₀ ₁ ₂ ₃ ₄ ₓ ᵢ
Italics: abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ
Geometry: → ⊢
Calculus: ∫ ∞
<!– can't set unicode directly in this wiki? θ α α \u3b8 "\u{3b8}"; instead, I copied letters from https://unicode-table.com/en/ –>
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