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 00:15Z

∑_{k=1}^{n} k = n(n+1)/2

N₂ + 3H₂ ⇌ 2NH₃

168K

∂β/∂z = 1β

446K

3x² + 3x + 6 = 0

iħ ∂ψ/∂t = Ĥψ

144K

12α² + 6α + 7 = 0

371K

∇²t = 0

8θ² + 8θ + 6 = 0

259K

∑_{k=1}^{n} k = n(n+1)/2

86K

7z² + 2z + 0 = 0

det| 7 4 ; 4 8 | = 40

224K

ΔS ≥ 0

234K

det| 4 2 ; 5 5 | = 10

\frac{3}{2} \sum_{i=1}^{n} i^{2}

218K

∑_{k=1}^{n} k = n(n+1)/2

354K

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

70K

det| 10 2 ; 3 11 | = 104

402K

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