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--- urp:specialchars [2021-11-01]
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
+Commonly used Greek alphabet: θ, π, μ, σ, α, β, Δ, Σ, Φ, Ω, Γ, λ, τ, ψ, ω
 Square root: √, two character combinations: ³√, ±√
@@ Line 7: / Line 7: @@
 Degree sign: °
-Logic, sets: ∩ ∪ ⊂ ⊃ ⊗ ∵ ⋮ ∀ ∃
+Logic, sets: ⋂ ⋃ ⊂ ⊃ ⊗ ∵ ∴ ⋮ ∀ ∃
 Equalities: ≠ ≤ ≥ ≅ ±
-Superscripts: ⁰ ¹ ² ³ ⁴ ⁵ ⁶ ⁷ ⁸ ⁹ ⁺ ⁿ ᴬ ᵃ ᵇ ⁽ ⁺ ⁻ ⁾
+Superscripts: ⁰ ¹ ² ³ ⁴ ⁵ ⁶ ⁷ ⁸ ⁹ ᴬ ᵃ ᵇ ᵉ ᵏ ⁿ ᵗ ᵝ ⁽ ⁺ ⁻ ⁾
-Subscripts: ₀ ₁ ₂ ₃ ₄ ₓ ᵢ ₐ
+Subscripts: ₀ ₁ ₂ ₃ ₄ ₐ ₑ ᵢ ₒ ᵣ ₓ ᵦ
 Italics: //abcdefghijklmnopqrstuvwxyz ABCDEFGHIJKLMNOPQRSTUVWXYZ//
@@ Line 21: / Line 21: @@
 Calculus: ∫ ∞
-<!-- can't set unicode directly in this wiki?  &theta; &#945; &#x3b1; \u3b8 "\u{3b8}";
+------
- 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. This can be a little confusing, often using spaces to better separate the terms is helpful.
+------
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