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 00:08Z

∑_{k=1}^{n} k = n(n+1)/2

∂n/∂θ = 3n

168K

\frac{8}{6} \sum_{i=1}^{n} i^{2}

446K

3x² + 3x + 6 = 0

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

144K

det| 7 2 ; 7 8 | = 42

371K

∇²t = 0

F = G m₁m₂ / r²

259K

det| 1 4 ; 3 2 | = -10

86K

\lim_{α\to 0} \frac{\sin α}{α} = 1

224K

12α² + 6α + 7 = 0

234K

PV = nRT

218K

∇ × E = −∂B/∂t

354K

det| 7 4 ; 4 8 | = 40

70K