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 00:20Z

∑_{k=1}^{n} k = n(n+1)/2

det| 7 7 ; 4 8 | = 28

168K

∑_{k=1}^{n} k = n(n+1)/2

446K

3x² + 3x + 6 = 0

E = mc²

144K

det| 7 4 ; 4 8 | = 40

371K

∇²t = 0

∑_{k=1}^{n} k = n(n+1)/2

259K

det| 2 6 ; 0 3 | = 6

86K

7z² + 2z + 0 = 0

∫₀^∞ e^(-ψ²) dψ = √π / 2

224K

N₂ + 3H₂ ⇌ 2NH₃

234K

det| 4 2 ; 5 5 | = 10

d/dx [x^9] = 9x^8

218K

det| 3 6 ; 0 4 | = 12

354K

2H₂ + O₂ → 2H₂O

∇²β = 0

70K

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

402K

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

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