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 00:26Z

∑_{k=1}^{n} k = n(n+1)/2

F = G m₁m₂ / r²

168K

det| 9 5 ; 1 10 | = 85

446K

3x² + 3x + 6 = 0

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

144K

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

371K

∇²t = 0

9α² + 7α + 5 = 0

259K

det| 7 4 ; 4 8 | = 40

86K

7z² + 2z + 0 = 0

∇ × E = −∂B/∂t

224K

det| 5 9 ; 7 6 | = -33

234K

det| 4 2 ; 5 5 | = 10

6r² + 3r + 1 = 0

218K

\frac{4}{6} \sum_{i=1}^{n} i^{2}

354K

2H₂ + O₂ → 2H₂O

∂α/∂ω = 3α

70K