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 00:16Z

∑_{k=1}^{n} k = n(n+1)/2

\lim_{β\to 0} \frac{\sin β}{β} = 1

168K

det| 9 4 ; 1 10 | = 86

446K

3x² + 3x + 6 = 0

e^{i\pi} + 1 = 0

144K

∫₀^∞ e^(-t²) dt = √π / 2

371K

∇²t = 0

iħ ∂ψ/∂t = Ĥψ

259K

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

86K

7z² + 2z + 0 = 0

\frac{12}{6} \sum_{i=1}^{n} i^{2}

224K

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

234K

det| 4 2 ; 5 5 | = 10

F = G m₁m₂ / r²

218K

det| 7 9 ; 1 8 | = 47

354K

2H₂ + O₂ → 2H₂O

\lim_{α\to 0} \frac{\sin α}{α} = 1

70K

det| 5 3 ; 7 6 | = 9

402K

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