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 21:39Z

2H₂ + O₂ → 2H₂O

∑_{k=1}^{n} k = n(n+1)/2

168K

∇ × E = −∂B/∂t

446K

3θ² + 4θ + 0 = 0

CH₄ + 2O₂ → CO₂ + 2H₂O

144K

∇²n = 0

371K

∇²t = 0

det| 7 4 ; 4 8 | = 40

259K

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

86K

det| 11 7 ; 4 12 | = 104

2H₂ + O₂ → 2H₂O

224K

det| 2 3 ; 5 3 | = -9

234K

4t² + 2t + 7 = 0

F = G m₁m₂ / r²

218K

10ω² + 7ω + 4 = 0

354K

∑_{k=1}^{n} k = n(n+1)/2

∂α/∂r = 8α

70K

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

402K

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