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 06:58Z

det| 3 9 ; 6 4 | = -42

∑_{k=1}^{n} k = n(n+1)/2

168K

∫₀^∞ e^(-t²) dt = √π / 2

446K

∑_{k=1}^{n} k = n(n+1)/2

iħ ∂ψ/∂t = Ĥψ

144K

∑_{k=1}^{n} k = n(n+1)/2

371K

2z² + 2z + 5 = 0

det| 3 7 ; 2 4 | = -2

259K

∇²t = 0

86K

iħ ∂ψ/∂t = Ĥψ

det| 9 4 ; 1 10 | = 86

224K

d/dt [t^3] = 3t^2

234K

∫₀^∞ e^(-t²) dt = √π / 2

Fe₂O₃ + 3CO → 2Fe + 3CO₂

218K

∇ × E = −∂B/∂t

354K

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

70K

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