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 01:58Z

iħ ∂ψ/∂t = Ĥψ

∑_{k=1}^{n} k = n(n+1)/2

168K

10t² + 9t + 5 = 0

446K

10t² + 5t + 5 = 0

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

144K

∂α/∂r = 8α

371K

∇ × E = −∂B/∂t

Fe₂O₃ + 3CO → 2Fe + 3CO₂

259K

N₂ + 3H₂ ⇌ 2NH₃

86K

det| 8 7 ; 1 9 | = 65

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

224K

e^{i\pi} + 1 = 0

234K

det| 7 4 ; 4 8 | = 40

218K

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

354K

10n² + 6n + 2 = 0

70K

∫₀^∞ e^(-α²) dα = √π / 2

402K

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