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--- urp:specialchars [2021-10-13]
nerf_herder
+++ urp:specialchars [2021-11-08]
nerf_herder
@@ Line 1: / Line 1: @@
+**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: √
+Square root: √, two character combinations: ³√, ±√
+Degree sign: °
+Logic, sets: ⋂ ⋃ ⊂ ⊃ ⊗ ∵ ∴ ⋮ ∀ ∃
+Equalities: ≠ ≤ ≥ ≅ ±
+Superscripts: ⁰ ¹ ² ³ ⁴ ⁵ ⁶ ⁷ ⁸ ⁹ ᴬ ᵃ ᵇ ᵉ ᵏ ⁿ ᵗ ᵝ ⁽ ⁺ ⁻ ⁾
-Superscripts: ⁰¹²³⁴⁵⁶⁷⁸⁹⁺
+Subscripts: ₀ ₁ ₂ ₃ ₄ ₐ ₑ ᵢ ₒ ᵣ ₓ ᵦ
-Subscripts: ₀₁₂₃₄ₓ
+Italics: //abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ//
-Copy a symbol above and paste into the Upchieve chat window.
+Geometry: → ⊢
-<!-- can't set unicode directly?  &theta; &#945; &#x3b1; \u3b8 "\u{3b8}";
+Calculus: ∫ ∞
- instead, I copied letters from https://unicode-table.com/en/  -->
+------
+These are nice, but students also seem to be comfortable seeing x^2 for x², sqrt(x) for √x, writing out theta, etc. The less-than sign (<) is used for angle sign (geometry). Mixing cases or just combining letters can sometimes substitute for subscripts: vI instead of vᵢ.
+------
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