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 03:58Z

∇ × E = −∂B/∂t

11φ² + 4φ + 0 = 0

168K

10ψ² + 5ψ + 0 = 0

446K

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

∑_{k=1}^{n} k = n(n+1)/2

144K

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

371K

∂x/∂n = 6x

N₂ + 3H₂ ⇌ 2NH₃

259K

det| 7 4 ; 4 8 | = 40

86K

2n² + 4n + 0 = 0

224K

Fe₂O₃ + 3CO → 2Fe + 3CO₂

234K

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

218K