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 00:04Z

∑_{k=1}^{n} k = n(n+1)/2

12z² + 9z + 4 = 0

168K

∇ × E = −∂B/∂t

446K

3x² + 3x + 6 = 0

2H₂ + O₂ → 2H₂O

144K

\lim_{ω\to 0} \frac{\sin ω}{ω} = 1

371K

∇²t = 0

det| 3 7 ; 2 4 | = -2

259K

2H₂ + O₂ → 2H₂O

86K

7z² + 2z + 0 = 0

det| 5 2 ; 3 6 | = 24

224K

∑_{k=1}^{n} k = n(n+1)/2

234K

det| 4 2 ; 5 5 | = 10

det| 12 1 ; 5 13 | = 151

218K

11t² + 9t + 4 = 0

2H₂ + O₂ → 2H₂O

iħ ∂ψ/∂t = Ĥψ

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