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 00:09Z

∑_{k=1}^{n} k = n(n+1)/2

∇²t = 0

168K

det| 7 4 ; 4 8 | = 40

446K

3x² + 3x + 6 = 0

det| 9 5 ; 1 10 | = 85

144K

∇ × E = −∂B/∂t

371K

∇²t = 0

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

259K

det| 12 2 ; 2 13 | = 152

86K

7z² + 2z + 0 = 0

det| 2 7 ; 7 3 | = -43

224K

∑_{k=1}^{n} k = n(n+1)/2

234K

det| 4 2 ; 5 5 | = 10

N₂ + 3H₂ ⇌ 2NH₃

218K

∑_{k=1}^{n} k = n(n+1)/2

354K

\lim_{β\to 0} \frac{\sin β}{β} = 1

70K

∇ × E = −∂B/∂t

402K

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