Σ index Eq pack 19 Eq pack 13 Σ#12 Batch 22 Matrix 17 Σ#24 Batch 10 Ledger /9 Rxn set 8 Eq pack 25 Σ#18 Rxn set 26 Rxn set 14 Matrix 5 Ledger /3 Matrix 23

Field Notes / Σ /sym/3cad98

id=1 · host=formula-vault.cloud · 2026-10-19 17:02Z

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

2H₂ + O₂ → 2H₂O

46K

F = G m₁m₂ / r²

468K

iħ ∂ψ/∂t = Ĥψ

det| 3 6 ; 0 4 | = 12

289K

12y² + 5y + 7 = 0

278K

3r² + 6r + 7 = 0

det| 7 4 ; 4 8 | = 40

339K

∑_{k=1}^{n} k = n(n+1)/2

177K

∑_{k=1}^{n} k = n(n+1)/2

358K

\frac{4}{6} \sum_{i=1}^{n} i^{2}

121K

∂n/∂θ = 3n

399K

N₂ + 3H₂ ⇌ 2NH₃

316K

AgNO₃ + NaCl → AgCl↓ + NaNO₃

11K