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 00:46Z

∇²β = 0

∑_{k=1}^{n} k = n(n+1)/2

164K

\lim_{r\to 0} \frac{\sin r}{r} = 1

232K

3y² + 5y + 2 = 0

d/dt [t^1] = 1t^0

375K

Fe₂O₃ + 3CO → 2Fe + 3CO₂

47K

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

CH₄ + 2O₂ → CO₂ + 2H₂O

165K

F = G m₁m₂ / r²

372K

1φ² + 5φ + 7 = 0

9θ² + 7θ + 4 = 0

430K

det| 7 4 ; 4 8 | = 40

130K

e^{i\pi} + 1 = 0

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

455K

F = ma

336K

7n² + 3n + 1 = 0

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

215K

∇ × E = −∂B/∂t

324K

∂x/∂x = 8x

∂β/∂ψ = 1β

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