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 00:54Z

∑_{k=1}^{n} k = n(n+1)/2

∇ × E = −∂B/∂t

168K

8ψ² + 7ψ + 0 = 0

446K

3x² + 3x + 6 = 0

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

144K

Fe₂O₃ + 3CO → 2Fe + 3CO₂

371K

∇²t = 0

7y² + 9y + 1 = 0

259K

det| 5 6 ; 2 6 | = 18

86K

7z² + 2z + 0 = 0

e^{i\pi} + 1 = 0

224K

12y² + 5y + 7 = 0

234K

det| 9 6 ; 0 10 | = 90

218K

∫₀^∞ e^(-ψ²) dψ = √π / 2

354K

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

70K

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

402K

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