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 00:29Z

∑_{k=1}^{n} k = n(n+1)/2

\oint_C \vec{F}\cdot d\vec{r} = 0

168K

11ψ² + 6ψ + 2 = 0

446K

3x² + 3x + 6 = 0

det| 3 1 ; 7 4 | = 5

144K

iħ ∂ψ/∂t = Ĥψ

371K

∇²t = 0

∂y/∂n = 5y

259K

N₂ + 3H₂ ⇌ 2NH₃

86K

7z² + 2z + 0 = 0

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

224K

8ψ² + 7ψ + 0 = 0

234K

det| 4 2 ; 5 5 | = 10

AgNO₃ + NaCl → AgCl↓ + NaNO₃

218K