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 00:03Z

∑_{k=1}^{n} k = n(n+1)/2

∑_{k=1}^{n} k = n(n+1)/2

168K

∇²θ = 0

446K

3x² + 3x + 6 = 0

ΔS ≥ 0

144K

\frac{10}{3} \sum_{i=1}^{n} i^{2}

371K

∇²t = 0

iħ ∂ψ/∂t = Ĥψ

259K

∑_{k=1}^{n} k = n(n+1)/2

86K

7z² + 2z + 0 = 0

det| 9 4 ; 1 10 | = 86

224K

\frac{8}{7} \sum_{i=1}^{n} i^{2}

234K

det| 7 7 ; 4 8 | = 28

218K

PV = nRT

354K

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

70K