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 03:52Z

∇ × E = −∂B/∂t

∑_{k=1}^{n} k = n(n+1)/2

168K

det| 7 4 ; 4 8 | = 40

446K

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

N₂ + 3H₂ ⇌ 2NH₃

144K

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

371K

∂x/∂n = 6x

det| 6 6 ; 5 7 | = 12

259K

ω = 2πf

86K

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

7y² + 9y + 1 = 0

224K

iħ ∂ψ/∂t = Ĥψ

234K