Σ index Matrix 17 Matrix 23 Σ#24 Rxn set 20 Eq pack 7 Eq pack 13 Rxn set 2 Ledger /15 Ledger /21 Rxn set 14 Rxn set 8 Batch 16 Eq pack 19 Ledger /9 Eq pack 1

Field Notes / Σ /sym/b26508

id=1 · host=uk.mattivster.me · 2026-10-20 00:04Z

∇²β = 0

\lim_{β\to 0} \frac{\sin β}{β} = 1

164K

\binom{n}{k} = \frac{n!}{k!(n-k)!}

232K

3y² + 5y + 2 = 0

PV = nRT

375K

N₂ + 3H₂ ⇌ 2NH₃

47K

d/dx [x^2] = 2x^1

2H₂ + O₂ → 2H₂O

165K

\frac{11}{6} \sum_{i=1}^{n} i^{2}

372K

1φ² + 5φ + 7 = 0

4t² + 3t + 3 = 0

430K

∫₀^∞ e^(-t²) dt = √π / 2

130K

ω = 2πf

455K

∇ × E = −∂B/∂t

336K

iħ ∂ψ/∂t = Ĥψ

215K

∑_{k=1}^{n} k = n(n+1)/2

324K

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