Σ index Eq pack 19 Rxn set 20 Rxn set 26 Σ#24 Σ#12 Ledger /21 Eq pack 13 Ledger /3 Eq pack 1 Batch 16 Σ#18 Σ#6 Ledger /15 Batch 4

Field Notes / Σ /sym/3cad98

id=1 · host=formula-vault.cloud · 2026-10-20 00:28Z

∑_{k=1}^{n} k = n(n+1)/2

10β² + 4β + 1 = 0

168K

\frac{4}{6} \sum_{i=1}^{n} i^{2}

446K

3x² + 3x + 6 = 0

∑_{k=1}^{n} k = n(n+1)/2

144K

\oint_C \vec{F}\cdot d\vec{r} = 0

371K

∇²t = 0

F = G m₁m₂ / r²

259K

det| 2 7 ; 7 3 | = -43

86K

7z² + 2z + 0 = 0

∇ × E = −∂B/∂t

224K

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

234K

det| 3 7 ; 2 4 | = -2

218K

Fe₂O₃ + 3CO → 2Fe + 3CO₂

354K

det| 7 4 ; 4 8 | = 40

70K

10ψ² + 5ψ + 0 = 0

402K

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